Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Audit Plug-in). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N).

The remote Ubuntu 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5022-3 advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Options). Supported versions     that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2146)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions     that are affected are 5.7.33 and prior. Easily exploitable vulnerability allows high privileged attacker     with network access via multiple protocols to compromise MySQL Server. Successful attacks of this     vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete     DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2154)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Audit Plug-in). Supported     versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability     allows low privileged attacker with network access via multiple protocols to compromise MySQL Server.
    Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to     some of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N). (CVE-2021-2162)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions     that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2166)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported     versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability     allows high privileged attacker with network access via multiple protocols to compromise MySQL Server.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS     Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2169)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported     versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Difficult to exploit vulnerability     allows high privileged attacker with network access via multiple protocols to compromise MySQL Server.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS     Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2171)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin).
    Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable     vulnerability allows high privileged attacker with network access via multiple protocols to compromise     MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability     impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2179)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are     affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2180, CVE-2021-2194)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema).
    Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable     vulnerability allows high privileged attacker with network access via multiple protocols to compromise     MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data     or complete access to all MySQL Server accessible data. CVSS 3.1 Base Score 4.9 (Confidentiality impacts).
    CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N). (CVE-2021-2226)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging). Supported     versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability     allows unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise     MySQL Server. Successful attacks require human interaction from a person other than the attacker.
    Successful attacks of this vulnerability can result in unauthorized access to critical data or complete     access to all MySQL Server accessible data as well as unauthorized update, insert or delete access to some     of MySQL Server accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS     Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N). (CVE-2021-2307)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported     versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Easily exploitable vulnerability     allows high privileged attacker with network access via multiple protocols to compromise MySQL Server.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS     Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2342)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are     affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2372)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported     versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability     allows high privileged attacker with network access via multiple protocols to compromise MySQL Server.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to     some of MySQL Server accessible data. CVSS 3.1 Base Score 5.0 (Integrity and Availability impacts). CVSS     Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H). (CVE-2021-2385)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are     affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows     unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2389, CVE-2021-2390)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

An update of the mysql package has been released.

The remote Ubuntu 18.04 LTS / 20.04 LTS / 20.10 / 21.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4952-1 advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Options). Supported versions     that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2146)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions     that are affected are 5.7.33 and prior. Easily exploitable vulnerability allows high privileged attacker     with network access via multiple protocols to compromise MySQL Server. Successful attacks of this     vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete     DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2154)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Audit Plug-in). Supported     versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability     allows low privileged attacker with network access via multiple protocols to compromise MySQL Server.
    Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to     some of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N). (CVE-2021-2162)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported     versions that are affected are 8.0.23 and prior. Easily exploitable vulnerability allows high privileged     attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this     vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete     DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2164, CVE-2021-2170, CVE-2021-2193,     CVE-2021-2203, CVE-2021-2212, CVE-2021-2230, CVE-2021-2278, CVE-2021-2299)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions     that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2166)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported     versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability     allows high privileged attacker with network access via multiple protocols to compromise MySQL Server.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS     Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2169)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported     versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Difficult to exploit vulnerability     allows high privileged attacker with network access via multiple protocols to compromise MySQL Server.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS     Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2171)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions     that are affected are 8.0.23 and prior. Easily exploitable vulnerability allows low privileged attacker     with network access via multiple protocols to compromise MySQL Server. Successful attacks of this     vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete     DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2172)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin).
    Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable     vulnerability allows high privileged attacker with network access via multiple protocols to compromise     MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang     or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability     impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2179)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are     affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2180, CVE-2021-2194)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions     that are affected are 8.0.23 and prior. Easily exploitable vulnerability allows high privileged attacker     with network access via multiple protocols to compromise MySQL Server. Successful attacks of this     vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete     DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2196, CVE-2021-2300, CVE-2021-2305)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Partition). Supported     versions that are affected are 8.0.23 and prior. Easily exploitable vulnerability allows high privileged     attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this     vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete     DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2201, CVE-2021-2208)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported     versions that are affected are 8.0.23 and prior. Easily exploitable vulnerability allows high privileged     attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this     vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete     DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2215, CVE-2021-2217, CVE-2021-2293)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema).
    Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable     vulnerability allows high privileged attacker with network access via multiple protocols to compromise     MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data     or complete access to all MySQL Server accessible data. CVSS 3.1 Base Score 4.9 (Confidentiality impacts).
    CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N). (CVE-2021-2226)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin).
    Supported versions that are affected are 8.0.23 and prior. Difficult to exploit vulnerability allows high     privileged attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL     Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial     denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 1.9 (Availability impacts). CVSS     Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L). (CVE-2021-2232)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported     versions that are affected are 8.0.23 and prior. Easily exploitable vulnerability allows low privileged     attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this     vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete     DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). (CVE-2021-2298)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema).
    Supported versions that are affected are 8.0.23 and prior. Easily exploitable vulnerability allows high     privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful     attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server     accessible data. CVSS 3.1 Base Score 2.7 (Confidentiality impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N). (CVE-2021-2301, CVE-2021-2308)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported     versions that are affected are 8.0.23 and prior. Easily exploitable vulnerability allows high privileged     attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this     vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete     DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server     accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector:
    (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H). (CVE-2021-2304)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging). Supported     versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability     allows unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise     MySQL Server. Successful attacks require human interaction from a person other than the attacker.
    Successful attacks of this vulnerability can result in unauthorized access to critical data or complete     access to all MySQL Server accessible data as well as unauthorized update, insert or delete access to some     of MySQL Server accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS     Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N). (CVE-2021-2307)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of MySQL running on the remote host is 8.0.x prior to 8.0.24. It is, therefore, affected by multiple vulnerabilities, including the following, as noted in the April 2021 Critical Patch Update advisory:

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging (OpenSSL)).
  Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability   allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful   attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash   (complete DOS) of MySQL Server. (CVE-2021-3449)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Encryption   (OpenSSL)). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable   vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server.
  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently   repeatable crash (complete DOS) of MySQL Server. (CVE-2021-23841)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging). Supported versions   that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows   unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server.
  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this   vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server   accessible data as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. (CVE-2020-28196)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of MySQL running on the remote host is 5.7.x prior to 5.7.34. It is, therefore, affected by multiple vulnerabilities, including the following, as noted in the April 2021 Critical Patch Update advisory:

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging (OpenSSL)).
  Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability   allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful   attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash   (complete DOS) of MySQL Server. (CVE-2021-3449)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Encryption   (OpenSSL)). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable   vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server.
  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently   repeatable crash (complete DOS) of MySQL Server. (CVE-2021-23841)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging). Supported versions   that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows   unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server.
  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this   vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server   accessible data as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. (CVE-2021-2307)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Oracle reports :

This Critical Patch Update contains 49 new security patches for Oracle MySQL. 10 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over a network without requiring user credentials. The highest CVSS v3.1 Base Score of vulnerabilities affecting Oracle MySQL is 9.8.

MariaDB is affected by CVE-2021-2166 and CVE-2021-2154 only

ID	Name	Product	Family	Severity
153942	Ubuntu 16.04 ESM : MySQL vulnerabilities (USN-5022-3)	Nessus	Ubuntu Local Security Checks	medium
149921	Photon OS 1.0: Mysql PHSA-2021-1.0-0390	Nessus	PhotonOS Local Security Checks	medium
149446	Ubuntu 18.04 LTS / 20.04 LTS : MySQL vulnerabilities (USN-4952-1)	Nessus	Ubuntu Local Security Checks	medium
149289	Photon OS 3.0: Mysql PHSA-2021-3.0-0231	Nessus	PhotonOS Local Security Checks	medium
148937	MySQL 8.0.x < 8.0.24 Multiple Vulnerabilities (Apr 2021 CPU)	Nessus	Databases	medium
148936	MySQL 5.7.x < 5.7.34 Multiple Vulnerabilities (Apr 2021 CPU)	Nessus	Databases	medium
148869	FreeBSD : MySQL -- Multiple vulnerabilities (56ba4513-a1be-11eb-9072-d4c9ef517024)	Nessus	FreeBSD Local Security Checks	high

Detections

Analytics

CVE-2021-2162

medium

Tenable Plugins

medium

medium

medium

medium

medium

medium

high