The version of MySQL running on the remote host is 5.7.x prior to 5.7.33. It is, therefore, affected by multiple vulnerabilities, including the following, as noted in the January 2021 Critical Patch Update advisory:

  - Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are   affected are 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows unauthenticated   attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this   vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of   MySQL Client. (CVE-2021-2011)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported   versions that are affected are 5.7.32 and prior and 8.0.22 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-2021-2178)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported   versions that are affected are 5.7.32 and prior and 8.0.22 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-2021-2202)

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

An update of the mysql package has been released.

The remote host is affected by the vulnerability described in GLSA-202105-27 (MySQL: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in MySQL. Please review       the CVE identifiers referenced below for details.
  Impact :

    An attacker could possibly execute arbitrary code with the privileges of       the process, escalate privileges, gain access to critical data or       complete access to all MySQL server accessible data, or cause a Denial of       Service condition.
  Workaround :

    There is no known workaround at this time.

The version of MySQL running on the remote host is 8.0.x prior to 8.0.23. It is, therefore, affected by multiple vulnerabilities, including the following, as noted in the January 2021 Critical Patch Update advisory:

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported   versions that are affected are 8.0.22 and prior. Easily exploitable vulnerability allows high privileged   attacker with network access via multiple protocols to compromise MySQL Server. While the vulnerability is in MySQL   Server, attacks may significantly impact additional products. Successful attacks of this vulnerability can   result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. (CVE-2021-2046)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions   that are affected are 8.0.22 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-2021-2024)

  - Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are   affected are 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows unauthenticated   attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this   vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of   MySQL Client. (CVE-2021-2011)

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

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4716-1 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 8.0.23 in Ubuntu 20.04 LTS and Ubuntu 20.10. Ubuntu 16.04 LTS and Ubuntu 18.04     LTS have been updated to MySQL 5.7.33.

    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/5.7/en/news-5-7-33.html     https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-23.html https://www.oracle.com/security-     alerts/cpujan2021.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	Published	Updated	Severity
145247	MySQL 5.7.x < 5.7.33 Multiple Vulnerabilities (Jan 2021 CPU)	Nessus	Databases	1/22/2021	11/1/2023	medium
146769	Photon OS 2.0: Mysql PHSA-2021-2.0-0320	Nessus	PhotonOS Local Security Checks	2/23/2021	7/23/2024	medium
146863	Photon OS 1.0: Mysql PHSA-2021-1.0-0362	Nessus	PhotonOS Local Security Checks	2/25/2021	12/5/2022	medium
156994	GLSA-202105-27 : MySQL: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	1/24/2022	1/16/2024	high
145251	MySQL 8.0.x < 8.0.23 Multiple Vulnerabilities (Jan 2021 CPU)	Nessus	Databases	1/22/2021	11/1/2023	medium
146044	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : MySQL vulnerabilities (USN-4716-1)	Nessus	Ubuntu Local Security Checks	2/1/2021	8/28/2024	medium

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