OS Command Injection in Junos OS - CVE-2022-22221
Published: July 16, 2022
Vulnerability identifier: #VU65371
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2022-22221
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the 'request system download ...' and 'show system download ...' commands. A local user can pass specially crafted data to the affected CLI commands and execute arbitrary OS commands on the target system with elevated privileges.
Affected software
Junos OS
How to mitigate CVE-2022-22221
Install updates from vendor's website.
Junos OS - addressed in versions 19.1R3-S9, 19.2R1-S9, 19.2R3-S5, 19.4R3-S8, 20.2R3-S4, 20.3R3-S3, 20.4R3-S2, 20.4R3-S3, 21.1R3-S1, 21.2R2-S2, 21.2R3, 21.3R2, 21.3R3, 21.4R1-S1, 21.4R2, 22.1R1