Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.36 and prior and 8.4.0. 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).

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1773654558 advisory.

  - In SQLite through 3.31.1, the ALTER TABLE implementation has a use-after-free, as demonstrated by an ORDER     BY clause that belongs to a compound SELECT statement. (CVE-2020-11656)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions     that are affected are 5.7.30 and prior and 8.0.20 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. (CVE-2020-14540)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema).
    Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 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 read access     to a subset of MySQL Server accessible data. (CVE-2020-14559)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are     affected are 8.0.20 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. (CVE-2020-14634)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Roles). Supported     versions that are affected are 8.0.20 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. (CVE-2020-14641)

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported     versions that are affected are 8.0.36 and prior and 8.4.0. 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. (CVE-2025-21492)

Note that Nessus relies on the presence of the package as reported by the vendor.

The versions of MySQL Server installed on the remote host are affected by multiple vulnerabilities as referenced in the January 2025 CPU advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported versions that     are affected are 8.0.37 and prior and  8.4.0 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. (CVE-2024-21177)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions     that are affected are 8.0.37 and prior and 8.4.0 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. (CVE-2024-21171)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions     that are affected are 8.0.37 and prior and 8.4.0 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. (CVE-2024-21163)

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

The versions of MySQL Server installed on the remote host are affected by multiple vulnerabilities as referenced in the January 2025 CPU advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging (OpenSSL)).
    Supported versions that are affected are 8.0.36 and prior and 8.3.0 and prior. Difficult to exploit vulnerability     allows unauthenticated attacker with network access via TLS 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. (CVE-2023-6129)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that     are affected are 8.0.34 and prior and 8.3.0 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. (CVE-2024-21015)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions     that are affected are 8.0.36 and prior and 8.3.0 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. (CVE-2024-20998)

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

ID	Name	Product	Family	Type	Severity
352245	AlmaLinux 9.2 [TuxCare] Security Update: mysql / mysql-common / mysql-devel / mysql-errmsg / mysql-libs / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1773654558)	Nessus	Alma Linux Local Security Checks	Local	high
239046	TencentOS Server 4: mysql (TSSA-2024:0671)	Nessus	Tencent Local Security Checks	Local	medium
231591	Linux Distros Unpatched Vulnerability : CVE-2025-21492	Nessus	Misc.	Local	medium
202619	Oracle MySQL Server 8.x < 8.4.1 (January 2025 CPU)	Nessus	Databases	Combined	medium
193568	Oracle MySQL Server 8.0.x < 8.0.37 (January 2025 CPU)	Nessus	Databases	Combined	medium

Detections

Analytics

CVE-2025-21492

medium

Tenable Plugins

high

medium

medium

medium

medium