SB2021032601 - Privilege escalation in Cisco IOS XE SD-WAN CLI
Published: March 26, 2021
Security Bulletin ID
SB2021032601
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) Resource management error (CVE-ID: CVE-2021-1281)
CWE-ID: CWE-399 - Resource Management Errors
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 management of concurrent CLI sessions within CLI management in Cisco IOS XE SD-WAN Software. A local administrative user can execute a sequence of commands and obtain root privileges on the device.
Remediation
Install update from vendor's website.