CVE-2018-6677: McAfee Web Gateway

Critical severity, CVSS 9.1. EPSS: 2.1% chance of exploitation in the next 30 days.

Directory Traversal vulnerability in the administrative user interface in McAfee Web Gateway (MWG) MWG 7.8.1.x allows authenticated administrator users to gain elevated privileges via unspecified vectors.

Affected products

• McAfee McAfee Web Gateway: version 7.8.1.0 only

Published 2018-07-23. Last modified 2026-06-17.