Summary

• Cisco released its semiannual Cisco IOS XR Software Security Advisory Bundled Publication on March 8, 2023. In direct response to customer feedback, Cisco releases bundles of Cisco IOS XR Software Security Advisories on the second Wednesday of the month in March and September of each calendar year.

  The March 8, 2023, release of the Cisco IOS XR Software Security Advisory Bundled Publication includes two Cisco Security Advisories that describe two vulnerabilities in Cisco IOS XR Software. Cisco has released software updates that address these vulnerabilities.

Details

• The following table identifies Cisco Security content that is associated with this bundled publication:

  Cisco Security Advisory	CVE ID	Security Impact Rating	CVSS Base Score
  Cisco IOS XR Software for ASR 9000 Series Routers Bidirectional Forwarding Detection Denial of Service Vulnerability	CVE-2023-20049	High	8.6
  Cisco IOS XR Software Bootloader Unauthenticated Information Disclosure Vulnerability	CVE-2023-20064	Medium	4.6

   

  Related Resources

  Cisco Security Vulnerability Policy
  MITRE Common Vulnerabilities and Exposures
  Common Vulnerability Scoring System and the Security Impact Rating
  Common Vulnerability Scoring System Q & A