Preview Tool

Cisco Bug: CSCur15562 - Hardware Entropy Collection leaks crypto packets

Last Modified

Sep 14, 2019

Products (1)

  • Cisco 5900 Series Embedded Services Routers

Known Affected Releases


Description (partial)

In a c5940 which registers hardware SEC Engine as a valid hardware entropy source, the crypto packets shall be depleted after 256 attempts of entropy collection(roughly 10 days).  This could hinder the crypto services that needs the crypto packets.

No specific condition.
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.