#VU49547 OS Command Injection in Juniper Junos OS - CVE-2021-0218

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Main Vulnerability Database Vulnerabilities #VU49547

#VU49547 OS Command Injection in Juniper Junos OS - CVE-2021-0218

Published: January 14, 2021


Vulnerability identifier: #VU49547
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-0218
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

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 updates from vendor's website.

External links