Cisco Event Response Page
Cisco Event Response: March 2021 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication
Cisco released its semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication on March 24, 2021. In direct response to customer feedback, Cisco releases bundles of Cisco IOS and IOS XE Software Security Advisories on the fourth Wednesday of the month in March and September of each calendar year.
The March 24, 2021, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication includes 14 Cisco Security Advisories that describe 15 vulnerabilities in Cisco IOS Software and Cisco IOS XE Software. Cisco has released software updates that address these vulnerabilities.
All 14 advisories have a Security Impact Rating (SIR) of High.
To quickly determine whether a specific Cisco IOS or IOS XE Software release is affected by one or more vulnerabilities, customers can use the Cisco Software Checker.
The following table identifies Cisco Security content that is associated with this bundled publication:
Cisco Security Vulnerability Policy
MITRE Common Vulnerabilities and Exposures
Common Vulnerability Scoring System and the Security Impact Rating
Common Vulnerability Scoring System Q & A