Is CVE-2021-31833 actively exploited?

No active exploitation of CVE-2021-31833 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-31833 be exploited remotely?

No. CVE-2021-31833 requires local access to exploit.

What is the CVSS score of CVE-2021-31833?

CVE-2021-31833 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2021-31833

HIGH

CVE-2021-31833

CWE-269Published: January 4, 2022· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

Potential product security bypass vulnerability in McAfee Application and Change Control (MACC) prior to version 8.3.4 allows a locally logged in attacker to circumvent the application solidification protection provided by MACC, permitting them to run applications that would usually be prevented by MACC. This would require the attacker to rename the specified binary to match name of any configured updater and perform a specific set of steps, resulting in the renamed binary to be to run.

NVD Source

Technical Analysis

CVE-2021-31833 requires local access, meaning attackers must already have a foothold on the target system.

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

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 7.8.