MEDIUM 4.9 Microsoft

CVE-2021-2065

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 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).

Microsoft Security Update 2021-Jan: 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 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).

Affected Products

References

Published: 2021-01-12 · Source: Microsoft · Feed updated: 2026-09-07
This medium severity vulnerability with a CVSS score of 4.9 was published on 2021-01-12 via Microsoft. Affected: mysql-8.0.26-1.cm1.x86_64.rpm on CBL Mariner 1.0 x64, mysql-devel-8.0.26-1.cm1.x86_64.rpm on CBL Mariner 1.0 x64, mysql-debuginfo-8.0.26-1.cm1.x86_64.rpm on CBL Mariner 1.0 x64 and 3 more.
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