Is CVE-2022-21142 actively exploited?

No active exploitation of CVE-2022-21142 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-21142 be exploited remotely?

Yes. CVE-2022-21142 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-21142?

CVE-2022-21142 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-21142

CWE-290Published: February 24, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Authentication bypass vulnerability in a-blog cms Ver.2.8.x series versions prior to Ver.2.8.74, Ver.2.9.x series versions prior to Ver.2.9.39, Ver.2.10.x series versions prior to Ver.2.10.43, and Ver.2.11.x series versions prior to Ver.2.11.41 allows a remote unauthenticated attacker to bypass authentication under the specific condition.

NVD Source

Technical Analysis

CVE-2022-21142 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.