CVE-2020-7296: Web Gateway (MWG) - Privilege Escalation vulnerability

Severity: medium (CVSS 5.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-15 · updated 2026-06-17
Weakness: CWE-287

Description

Privilege Escalation vulnerability in McAfee Web Gateway (MWG) prior to 9.2.1 allows authenticated user interface user to access protected configuration files via improper access control in the user interface.

Affected products

McAfee Web Gateway (MWG): from 7.8.0 before 7.8.2.23; from 8.2.0 before 8.2.11; from 9.0.0 before 9.2.3 — fixed in 7.8.2.23, 8.2.11, 9.2.3

How to fix

Upgrade to a fixed version: McAfee Web Gateway (MWG) 7.8.2.23, 8.2.11, 9.2.3. Check the vendor advisory for mitigations.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10323
https://kc.mcafee.com/corporate/index?page=content&id=SB10323

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