CVE-2021-23885

Privilege escalation vulnerability in McAfee Web Gateway (MWG) UI

Description

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.

Category

9.0
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Affected: McAfee,LLC McAfee Web Gateway (MWG)
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-23885?
CVE-2021-23885 has been scored as a critical severity vulnerability.
How to fix CVE-2021-23885?
To fix CVE-2021-23885, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23885 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-23885 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23885?
CVE-2021-23885 affects McAfee,LLC McAfee Web Gateway (MWG).
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.