Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: UDF). 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. Difficult to exploit vulnerability allows high privileged 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 ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.0 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H).

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-2025-30721 advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: UDF). 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. Difficult to exploit vulnerability allows     high privileged 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 ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. (CVE-2025-30721)

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 Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-30721 advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: UDF). 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. Difficult to exploit vulnerability allows     high privileged 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 ability to cause a hang or frequently repeatable     crash (complete DOS) of MySQL Server. (CVE-2025-30721)

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.

ID	Name	Product	Family	Severity
240361	CBL Mariner 2.0 Security Update: mysql (CVE-2025-30721)	Nessus	MarinerOS Local Security Checks	medium
240354	Azure Linux 3.0 Security Update: mysql (CVE-2025-30721)	Nessus	Azure Linux 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

Detections

Analytics

CVE-2025-30721

medium

Tenable Plugins

medium

medium

medium