CVE-2016-1777: Apple Mac OS X Server

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

Web Server in Apple OS X Server before 5.1 supports the RC4 algorithm, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via unspecified vectors.

Affected products

• Apple Mac OS X Server: up to and including 5.0.15

Published 2016-03-24. Last modified 2026-06-17.