How severe is CVE-2021-31836?

CVE-2021-31836 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2021-31836 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31836?

CVE-2021-31836 affects Mcafee Mcafee Agent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-31836?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-31836 published?

CVE-2021-31836 was published on 2021-09-22 and last updated on 2026-06-17.

CVE-2021-31836

CVE-2021-31836 is a medium-severity vulnerability in Mcafee Mcafee Agent with a CVSS 3.x base score of 5.6. 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: Medium (CVSS 3.x base score 5.6)
CVSS v2: 3.6
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Mcafee Mcafee Agent
Published: 2021-09-22
Last modified: 2026-06-17

Description

Improper privilege management vulnerability in maconfig for McAfee Agent for Windows prior to 5.7.4 allows a local user to gain access to sensitive information. The utility was able to be run from any location on the file system and by a low privileged user.

Frequently asked questions

What is CVE-2021-31836?: Improper privilege management vulnerability in maconfig for McAfee Agent for Windows prior to 5.7.4 allows a local user to gain access to sensitive information. The utility was able to be run from any location on the file system and by a low privileged user.
How severe is CVE-2021-31836?: CVE-2021-31836 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2021-31836 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31836?: CVE-2021-31836 affects Mcafee Mcafee Agent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31836?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-31836 published?: CVE-2021-31836 was published on 2021-09-22 and last updated on 2026-06-17.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10369

Affected products (1)

cpe:2.3:a:mcafee:mcafee_agent:*:*:*:*:*:windows:*:*

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