SB2022092912 - Improper Verification of Cryptographic Signature in Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches
Published: September 29, 2022
Security Bulletin ID
SB2022092912
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2022-20944)
The vulnerability allows a local attacker to execute arbitrary code on the target system.
The vulnerability exists due to an improper check in the code function that manages the verification of the digital signatures of system image files during the initial boot process. An attacker with physical access can load unsigned software and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.