Guest

Preview Tool

Cisco Bug: CSCup21070 - ASR1k / Denial of service vulnerability, ESP crash in NAT ALG

Last Modified

Oct 31, 2019

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.3(3)S2

Description (partial)

Symptoms:
The ESP module of an ASR1000 Series Routers may crash in NAT ALG due to RBUF handle exhaustion.

Conditions:
Running versions prior to this bugfix, with a NAT configuration and h323 traffic being fixed-up by the ALG.
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.