Vulnerability Bulletins

Cisco IOS XE Software for Cisco Catalyst 9300 Series Switches Secure Boot Bypass Vulnerability


System information

   
Affected software Cisco

Description

A vulnerability in Cisco IOS XE Software for Cisco Catalyst 9300 Series Switches could allow an authenticated, local attacker with level-15 privileges or an unauthenticated attacker with physical access to the device to execute persistent code at boot time and break the chain of trust. This vulnerability is due to errors that occur when retrieving the public release key that is used for image signature verification. An attacker could exploit this vulnerability by modifying specific variables in

More info:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9300-spi-ace-yejYgnNQ?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20IOS%20XE%20Software%20for%20Cisco%20Catalyst%209300%20Series%20Switches%20Secure%20Boot%20Bypass%20Vulnerability&vs_k=1

Standar resources

Property Value
CVE CVE-2023-20082.

Version history

Version Comments Date
1.0 Advisory issued 2023-03-23
Ministerio de Defensa
CNI
CCN
CCN-CERT