Permissions, Privileges, and Access Controls in Junos OS - CVE-2025-21590
Published: March 12, 2025 / Updated: March 13, 2025
Vulnerability identifier: #VU105679
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-21590
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improperly imposed security restrictions. A local privileged user can compromise integrity of the device.
Note, the vulnerability is being exploited in the wild.
Affected software
Junos OS
How to mitigate CVE-2025-21590
Install updates from vendor's website.
Junos OS - addressed in versions 21.2R3-S9, 21.4R3-S10, 22.2R3-S6, 22.4R3-S6, 23.2R2-S3, 23.4R2-S4, 24.2R1-S2, 24.2R2, 24.4R1