How severe is CVE-2021-23880?

CVE-2021-23880 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-23880 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23880?

CVE-2021-23880 affects Mcafee Endpoint Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23880?

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

When was CVE-2021-23880 published?

CVE-2021-23880 was published on 2021-02-10 and last updated on 2026-06-17.

CVE-2021-23880

CVE-2021-23880 is a medium-severity vulnerability in Mcafee Endpoint Security with a CVSS 3.x base score of 6.7. 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 6.7)
CVSS v2: 2.1
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Mcafee Endpoint Security
Published: 2021-02-10
Last modified: 2026-06-17

Description

Improper Access Control in attribute in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows authenticated local administrator user to perform an uninstallation of the anti-malware engine via the running of a specific command with the correct parameters.

Frequently asked questions

What is CVE-2021-23880?: Improper Access Control in attribute in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows authenticated local administrator user to perform an uninstallation of the anti-malware engine via the running of a specific command with the correct parameters.
How severe is CVE-2021-23880?: CVE-2021-23880 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-23880 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23880?: CVE-2021-23880 affects Mcafee Endpoint Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23880?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-23880 published?: CVE-2021-23880 was published on 2021-02-10 and last updated on 2026-06-17.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10345

Affected products (1)

cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:windows:*:*

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