CVE-2015-2855: Blue Coat SSL Visibility Appliance SV1800 Firmware

Medium severity, CVSS 4.3. EPSS: 1.4% chance of exploitation in the next 30 days.

The WebUI component in Blue Coat SSL Visibility Appliance SV800, SV1800, SV2800, and SV3800 3.6.x through 3.8.x before 3.8.4 does not set the secure flag for the administrator's cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session, a different vulnerability than CVE-2015-4138.

Affected products

• Blue Coat SSL Visibility Appliance SV1800 Firmware: up to and including 3.8.3
• Blue Coat SSL Visibility Appliance SV2800 Firmware: up to and including 3.8.3
• Blue Coat SSL Visibility Appliance SV3800 Firmware: up to and including 3.8.3
• Blue Coat SSL Visibility Appliance SV800 Firmware: up to and including 3.8.3

Published 2015-05-30. Last modified 2026-06-17.