Is CVE-2022-31943 actively exploited?

No active exploitation of CVE-2022-31943 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-31943 be exploited remotely?

Yes. CVE-2022-31943 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-31943?

CVE-2022-31943 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-31943

CWE-434Published: July 1, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

MCMS v5.2.8 was discovered to contain an arbitrary file upload vulnerability.

NVD Source

Risk Analysis

MCMS version 5.2.8 is vulnerable to arbitrary file uploads, which can allow an attacker to upload malicious scripts to the server. This critical flaw poses a severe risk of remote code execution.

No public exploit is currently known, and it is not in the KEV catalog. The vulnerability is remotely exploitable.

Recommended Action

Restrict file upload functionality and ensure that uploaded files are stored in a non-executable directory. Upgrade to a patched version if available.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-31943 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.