Guest

Preview Tool

Cisco Bug: CSCuo13291 - CX IPS (Threat Prevention) generating false positives with 9.2.1.2-77

Last Modified

Apr 01, 2020

Products (1)

  • Cisco ASA Next-Generation Firewall Services

Known Affected Releases

9.2(1.2.78)

Description (partial)

Symptom:
The Next-Gen FW IPS (Threat Prevention) feature is generating several false positives on URLs.

Specifically a common false positive is "Microsoft Internet Explorer Memory Corruption Arbitrary Code Execution Vulnerability" triggered by Internet Explorer google search results.

Conditions:
When customer website is accessed via CX with TP on several attacks are listed in the events

This bug documents an issue on a Cisco product that is beyond its End of Software Maintenance lifecycle milestone and is no longer receiving software updates.
 
Contact your support organization to determine if workarounds may apply, or what hardware or software migration options may be available.
Bug details contain sensitive information and therefore require a Cisco.com 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.