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OpenAdvisories
High · 8.2 CVE-2022-22239 EUVD-2022-27386GHSA-h38r-wg7q-9555

Junos OS Evolved: The ssh CLI command always runs as root which can lead to privilege escalation

Published Oct 18, 2022 · Updated May 10, 2025 · Assigned by juniper

Description

An Execution with Unnecessary Privileges vulnerability in Management Daemon (mgd) of Juniper Networks Junos OS Evolved allows a locally authenticated attacker with low privileges to escalate their privileges on the device and potentially remote systems. This vulnerability allows a locally authenticated attacker with access to the ssh operational command to escalate their privileges on the system to root, or if there is user interaction on the local device to potentially escalate privileges on a remote system to root. This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S5-EVO; 21.1-EVO versions prior to 21.1R3-EVO; 21.2-EVO versions prior to 21.2R2-S1-EVO, 21.2R3-EVO; 21.3-EVO versions prior to 21.3R2-EVO. This issue does not affect Juniper Networks Junos OS.

Affected products

VendorProductAffectedFixed
Juniper Networks Junos OS Evolved unspecified – < 20.4R3-S5-EVO, 21.1-EVO – < 21.1R3-EVO, 21.2-EVO – < 21.2R2-S1-EVO, 21.2R3-EVO, 21.3-EVO – < 21.3R2-EVO 20.4R3-S5-EVO

References