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CVE-2021-2340 The advisory has been revoked - it doesn't affect any version of package percona-server-5.6  (opens in a new tab)

Threat Intelligence

EPSS
2.63% (85th percentile)

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  • Snyk IDSNYK-UBUNTU1604-PERCONASERVER56-1632259
  • published1 Jun 2025
  • disclosed21 Jul 2021
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Introduced: 21 Jul 2021

CVE-2021-2340  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream percona-server-5.6 package and not the percona-server-5.6 package as distributed by Ubuntu.

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Memcached). Supported versions that are affected are 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 partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L).