CVE-2017-3898: McAfee Livesafe

Medium severity, CVSS 5.9. EPSS: 3.2% chance of exploitation in the next 30 days.

A man-in-the-middle attack vulnerability in the non-certificate-based authentication mechanism in McAfee LiveSafe (MLS) versions prior to 16.0.3 allows network attackers to modify the Windows registry value associated with the McAfee update via the HTTP backend-response.

Affected products

• McAfee Livesafe: up to and including 16.0.2

Published 2017-09-01. Last modified 2026-06-17.