What’s Vulnerable › Vulnerabilities

CVE-2016-6594

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-06-08 · updated 2026-06-17
• Weakness: CWE-254

Description

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: 6.6
• Bluecoat Cacheflow: 3.4
• Bluecoat Proxysg: 6.5, 6.6

References

• http://www.securityfocus.com/bid/91404
• https://bto.bluecoat.com/security-advisory/sa130
• http://www.securityfocus.com/bid/91404
• https://bto.bluecoat.com/security-advisory/sa130

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