How severe is CVE-2021-31833?

CVE-2021-31833 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2021-31833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31833?

CVE-2021-31833 affects Mcafee Application And Change Control. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-31833?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-31833 published?

CVE-2021-31833 was published on 2022-01-04 and last updated on 2026-06-17.

CVE-2021-31833

CVE-2021-31833 is a high-severity vulnerability in Mcafee Application And Change Control with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 4.6
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Mcafee Application And Change Control
Published: 2022-01-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-31833?: 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.
How severe is CVE-2021-31833?: CVE-2021-31833 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2021-31833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31833?: CVE-2021-31833 affects Mcafee Application And Change Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31833?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-31833 published?: CVE-2021-31833 was published on 2022-01-04 and last updated on 2026-06-17.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10370

Affected products (1)

cpe:2.3:a:mcafee:application_and_change_control:*:*:*:*:*:*:*:*

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