CVE-2022-22251: Juniper Junos

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

On cSRX Series devices software permission issues in the container filesystem and stored files combined with storing passwords in a recoverable format in Juniper Networks Junos OS allows a local, low-privileged attacker to elevate their permissions to take control of any instance of a cSRX software deployment. This issue affects Juniper Networks Junos OS 20.2 version 20.2R1 and later versions prior to 21.2R1 on cSRX Series.

Affected products

• Juniper Junos: from 20.2, before 21.2 (fixed in 21.2)

Published 2022-10-18. Last modified 2026-06-17.