Preview Tool

Cisco Bug: CSCun90157 - CER Distributed denial-of-service vulnerability on NTP server

Last Modified

Nov 27, 2020

Products (2)

  • Cisco Emergency Responder
  • Cisco Emergency Responder 8.5

Known Affected Releases

8.5(1) 8.6(2) 9.0(2)

Description (partial)

Cisco Unified Communications Manager (CallManager) includes a version of ntpd that is affected by the vulnerability identified by the following
Common Vulnerability and Exposures (CVE) ID:


This bug was opened to address the potential impact on this product.

Device configured to use/broadcast NTP.
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.