SB2021011421 - Privilege escalation in Juniper Junos OS
Published: January 14, 2021
Security Bulletin ID
SB2021011421
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 security vulnerability.
1) OS Command Injection (CVE-ID: CVE-2021-0218)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper input validation in the license-check daemon. A local user can execute the request system license update CLI command and execute arbitrary OS commands with elevated privileges.
Remediation
Install update from vendor's website.