Is CVE-2021-23885 being actively exploited?

CVE-2021-23885 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2021-23885?

CVE-2021-23885 has a CVSS 3.1 base score of 9.0 (CRITICAL).

CVE-2021-23885

CRITICAL · CVSS 9.0EPSS 1.1%EU EUVD

Privilege escalation vulnerability in McAfee Web Gateway (MWG) prior to 9.2.8 allows an authenticated user to gain elevated privileges through the User Interface and execute commands on the appliance via incorrect improper neutralization of user input in the troubleshooting page.

Key facts

CVSS score: 9.0 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-269
EPSS score: 1.1% (65th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2021-10811)
Published: February 17, 2021
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2021-10811 in the EU Vulnerability Database. Last updated in EUVD on August 3, 2024.

View on the EU Vulnerability Database

Affected products

mcafee / web gateway

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

McAfee® Web Gateway Version 7.2.0.1 - McAfee, Inc. - Common Criteria 383-4-215 - archived

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10349

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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