SB2022041414 - Execution with unnecessary privileges in Cisco IOS XE Software
Published: April 14, 2022
Security Bulletin ID
SB2022041414
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Execution with unnecessary privileges (CVE-ID: CVE-2022-20676)
CWE-ID: CWE-250 - Execution with Unnecessary Privileges
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:N/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 insufficient input validation of data that is passed into the Tcl interpreter. A local user with privilege level 15 can load malicious Tcl code and execute arbitrary commands as root.
Remediation
Install update from vendor's website.