CVE-2017-3971: McAfee Network Security Manager

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Cryptanalysis vulnerability in the web interface in McAfee Network Security Management (NSM) before 8.2.7.42.2 allows attackers to view confidential information via insecure use of RC4 encryption cyphers.

Affected products

• McAfee Network Security Manager: before 8.2.7.42.2 (fixed in 8.2.7.42.2)

Published 2018-04-04. Last modified 2026-06-17.