CVE-2016-6594: Bluecoat Advanced Secure Gateway

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Blue Coat Advanced Secure Gateway 6.6, CacheFlow 3.4, ProxySG 6.5 and 6.6 allows remote attackers to bypass blocked requests, user authentication, and payload scanning.

Affected products

• Bluecoat Advanced Secure Gateway: version 6.6 only
• Bluecoat Cacheflow: version 3.4 only
• Bluecoat Proxysg: version 6.5 only; version 6.6 only

Published 2017-06-08. Last modified 2026-06-17.