Juniper Junos OS Remote Code Execution Vulnerability

Release Date: 14 Mar 2025 341 Views

RISK: High Risk

TYPE: Operating Systems - Networks OS

A vulnerability has been identified in Juniper Junos OS. An attacker could exploit this vulnerability to trigger remote code execution on the targeted system.

Note:

Impact

Remote Code Execution

System / Technologies affected

Junos OS All versions before 21.2R3-S9
Junos OS 21.4 versions before 21.4R3-S10
Junos OS 22.2 versions before 22.2R3-S6
Junos OS 22.4 versions before 22.4R3-S6
Junos OS 23.2 versions before 23.2R2-S3
Junos OS 23.4 versions before 23.4R2-S4
Junos OS 24.2 versions before 24.2R1-S2, 24.2R2

Solutions

Before installation of the software, please visit the vendor web-site for more details.

https://supportportal.juniper.net/s/article/2025-03-Out-of-Cycle-Security-Bulletin-Junos-OS-A-local-attacker-with-shell-access-can-execute-arbitrary-code-CVE-2025-21590?language=en_US

Vulnerability Identifier

CVE-2025-21590

Source

Juniper Network