SB2022111007 - Trust Boundary Violation in Cisco Secure Firewall 3100 Series
Published: November 10, 2022
Security Bulletin ID
SB2022111007
CSH 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 vulnerability.
1) Trust Boundary Violation (CVE-ID: CVE-2022-20826)
CWE-ID: -
CVSSv4: CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to compromise the target system.
The vulnerability exists due to a logic error in the boot process. An attacker with physical access can execute persistent code at boot time and break the chain of trust.
Remediation
Install update from vendor's website.