CVE-2021-23885

8.8 highEPSS 1.1%

High (8.8) in mcafee web gateway. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE: CWE-269
Published: 2021-02-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mcafee:web_gateway

References

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

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