Preview Tool

Cisco Bug: CSCsy82093 - XSS via Host: header in WebVPN Request.

Last Modified

Nov 09, 2016

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases


Description (partial)

Failure to filter potentally malicous HTML or Script code from the Host: header of an HTTP POST request submited to the WebVPN login form.
System is running an affected version of ASA software and has enabled Clientless WebVPN functionality.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.