SB2022092915 - Privilege escalation in Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst Access Points
Published: September 29, 2022
Security Bulletin ID
SB2022092915
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incorrect Privilege Assignment (CVE-ID: CVE-2022-20855)
CWE-ID: CWE-266 - Incorrect Privilege Assignment
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper checks throughout the restart of certain system processes within the self-healing functionality. A local administrator can execute arbitrary commands on the underlying OS as root.
Remediation
Install update from vendor's website.