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Vulnerability · Published Jul 11, 2025 · Assigned by juniper

CVE-2025-52988Junos OS and Junos OS Evolved: Privilege escalation to root via CLI command 'request system logout'

Medium 6.7

In plain English

A medium-severity OS command injection in Junos OS from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.4%top 61.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a high privileged, local attacker to escalated their privileges to root. When a user provides specifically crafted arguments to the 'request system logout' command, these will be executed as root on the shell, which can completely compromise the device. This issue affects: Junos OS:  * all versions before 21.2R3-S9, * 21.4 versions before 21.4R3-S8, * 22.2 versions before 22.2R3-S6, * 22.3 versions before 22.3R3-S3, * 22.4 versions before 22.4R3-S6, * 23.2 versions before 23.2R2-S1, * 23.4 versions before 23.4R1-S2, 23.4R2; Junos OS Evolved: * all versions before 22.4R3-S6-EVO, * 23.2-EVO versions before 23.2R2-S1-EVO, * 23.4-EVO versions before 23.4R1-S2-EVO, 23.4R2-EVO.

Affected products (as reported)

VendorProductVersions
Juniper Networks Junos OS 0 – before 21.2R3-S921.4 – before 21.4R3-S822.2 – before 22.2R3-S622.3 – before 22.3R3-S322.4 – before 22.4R3-S623.2 – before 23.2R2-S123.4 – before 23.4R1-S2, 23.4R2
Juniper Networks Junos OS Evolved 0 – before 22.4R3-S6-EVO23.2-EVO – before 23.2R2-S1-EVO23.4-EVO – before 23.4R1-S2-EVO, 23.4R2-EVO

Weakness: CWE-78 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References