CVE-2010-5190: Bluecoat Proxysg

Medium severity, CVSS 5.0. EPSS: 1.4% chance of exploitation in the next 30 days.

The Active Content Transformation functionality in Blue Coat ProxySG before SGOS 4.3.4.2, 5.x before SGOS 5.4.5.1, 5.5 before SGOS 5.5.4.1, and 6.x before SGOS 6.1.2.1 allows remote attackers to bypass JavaScript detection via HTML entities.

Affected products

• Bluecoat Proxysg
• Bluecoat Proxysg SG210-10
• Bluecoat Proxysg SG210-25
• Bluecoat Proxysg SG210-5
• Bluecoat Proxysg SG510-10
• Bluecoat Proxysg SG510-20
• Bluecoat Proxysg SG510-25
• Bluecoat Proxysg SG510-5
• Bluecoat Proxysg SG810-10
• Bluecoat Proxysg SG810-20
• Bluecoat Proxysg SG810-25
• Bluecoat Proxysg SG810-5
• Bluecoat Proxysg SG9000-10
• Bluecoat Proxysg SG9000-20
• Bluecoat Proxysg SG9000-5
• Bluecoat Sgos: up to and including 4.3.4; version 3.2.6 only; version 4.1.2.1 only; version 4.2.1.2 only; version 4.2.1.6 only; version 4.2.2 only; …

Published 2012-08-26. Last modified 2026-06-16.