Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. 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).

The version of mysql installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21574 advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). Supported versions     that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. 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-2025-21574)

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 installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21574 advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). Supported versions     that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. 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-2025-21574)

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

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 / 25.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7479-1 advisory.

    Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to     fix these issues.

    MySQL has been updated to 8.0.42 in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu     24.10. Ubuntu 25.04 has been updated to MySQL 8.4.5.

    In addition to security fixes, the updated packages contain bug fixes, new features, and possibly     incompatible changes.

    Please see the following for more information:

    https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-42.html     https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-5.html https://www.oracle.com/security-     alerts/cpuapr2025.html

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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 Cluster installed on the remote host are affected by multiple vulnerabilities as referenced in the April 2025 CPU advisory.

  - Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported versions     that are affected are 7.6.0-7.6.33, 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. Easily exploitable     vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Cluster.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Cluster. (CVE-2025-21574)

  - Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported versions     that are affected are 7.6.0-7.6.33, 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. Easily exploitable     vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Cluster.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Cluster. (CVE-2025-21575)

  - Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported versions     that are affected are 7.6.0-7.6.33, 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. Easily exploitable     vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Cluster.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of MySQL Cluster as well as unauthorized update, insert or delete access to some of     MySQL Cluster accessible data. (CVE-2025-30693)

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	Severity
240379	Azure Linux 3.0 Security Update: mysql (CVE-2025-21574)	Nessus	Azure Linux Local Security Checks	medium
240377	CBL Mariner 2.0 Security Update: mysql (CVE-2025-21574)	Nessus	MarinerOS Local Security Checks	medium
235159	Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 / 25.04 : MySQL vulnerabilities (USN-7479-1)	Nessus	Ubuntu Local Security Checks	medium
234565	Oracle MySQL Cluster 9.x.x < 9.3.0 (April 2025 CPU)	Nessus	Databases	medium
234564	Oracle MySQL Cluster 7.6.x < 7.6.34 (April 2025 CPU)	Nessus	Databases	medium
234563	Oracle MySQL Cluster 8.4.x < 8.4.5 (April 2025 CPU)	Nessus	Databases	medium
234562	Oracle MySQL Cluster 8.0.x < 8.0.42 (April 2025 CPU)	Nessus	Databases	medium

Detections

Analytics

CVE-2025-21574

medium

Tenable Plugins

medium

medium

medium

medium

medium

medium

medium