CVE-2011-3285: Cisco 5500 Series Adaptive Security Appliance

Medium severity, CVSS 5.0. EPSS: 2% chance of exploitation in the next 30 days.

CRLF injection vulnerability in /+CSCOE+/logon.html on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.0 through 8.4 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors, aka Bug ID CSCth63101.

Affected products

• Cisco 5500 Series Adaptive Security Appliance
• Cisco Adaptive Security Appliance Software: version 8.0 only; version 8.0(2) only; version 8.0(3) only; version 8.0(4) only; version 8.0(5) only; version 8.0.2 only; …

Published 2012-05-02. Last modified 2026-06-16.