CVE-2021-2164

MEDIUM 4.9CVE-2021-2164 · Published 22/04/2021 · updated 17/06/2026

In short

CVE-2021-2164 is a MEDIUM (CVSS 4.9) vulnerability affecting mysql (oracle).
Chance of exploitation in the next 30 days (EPSS): 2.1%, higher than 81.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mysql oracle	`≥ 8.0.0, ≤ 8.0.23`	No fix yet

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.23 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).

References

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Package

Affected versions

Patched versions

mysql

oracle

≥ 8.0.0, ≤ 8.0.23

No fix yet

Description

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