Is CVE-2022-21539 actively exploited?

No active exploitation of CVE-2022-21539 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-21539 be exploited remotely?

Yes. CVE-2022-21539 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-21539?

CVE-2022-21539 has a CVSS score of 5.0 (MEDIUM).

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MEDIUM

CVE-2022-21539

NVD-CWE-noinfoPublished: July 19, 2022· Updated: Jun 17, 2026

5.0

CVSS v3.1

Official Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.29 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data as well as unauthorized read access to a subset of MySQL Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 5.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L).

NVD Source

Technical Analysis

CVE-2022-21539 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.