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Vulnerability Score 6.3 6.3
CVE Id CVE-2013-5557
Last Modified 20 Feb 2015 09:59:01
Published 06 Feb 2015 11:59:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact COMPLETE COMPLETE
Access Vector NETWORK
Access Complexity MEDIUM
Authentication SINGLE_INSTANCE



The Proxy Bypass Content Rewriter feature in the WebVPN subsystem in Cisco Adaptive Security Appliance (ASA) Software 9.1(.2) and earlier allows remote authenticated users to cause a denial of service (device crash or error-recovery event) via an HTTP request that triggers a rewrite, aka Bug ID CSCug91577.

Vulnerable Systems


  • Cisco Adaptive Security Appliance Software 9.1%28.2%29



CISCO - 20150206 Cisco Adaptive Security Appliance WebVPN Content Rewriter Denial of Service Vulnerability

XF - cisco-asa-cve20135557-dos(100694)

BID - 72529

Last Updated: 27 May 2016 11:07:53