CVE-2025-52954

Junos OS Evolved: A low-privileged user can execute arbitrary Junos commands and modify the configuration, thereby compromising the system

Published Jul 11, 2025 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Description
A Missing Authorization vulnerability in the internal virtual routing and forwarding (VRF) of Juniper Networks Junos OS Evolved allows a local, low-privileged user to gain root privileges, leading to a system compromise.

Any low-privileged user with the capability to send packets over the internal VRF can execute arbitrary Junos commands and modify the configuration, and thus compromise the system. 

This issue affects Junos OS Evolved: 



* All versions before 22.2R3-S7-EVO, 
* from 22.4 before 22.4R3-S7-EVO, 
* from 23.2 before 23.2R2-S4-EVO, 
* from 23.4 before 23.4R2-S5-EVO, 
* from 24.2 before 24.2R2-S1-EVO
* from 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO.

Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 22.2R3-S7-EVO, 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S5-EVO, 24.2R2-S1-EVO, 24.4R1-S2-EVO, 24.4R2-EVO, 25.2R1-EVO and all subsequent releases.


Vendor Workaround

Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators. Grant shell and network permissions only to trusted users.

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2025-21161 A Missing Authorization vulnerability in the internal virtual routing and forwarding (VRF) of Juniper Networks Junos OS Evolved allows a local, low-privileged user to gain root privileges, leading to a system compromise. Any low-privileged user with the capability to send packets over the internal VRF can execute arbitrary Junos commands and modify the configuration, and thus compromise the system.  This issue affects Junos OS Evolved:  * All versions before 22.2R3-S7-EVO,  * from 22.4 before 22.4R3-S7-EVO,  * from 23.2 before 23.2R2-S4-EVO,  * from 23.4 before 23.4R2-S5-EVO,  * from 24.2 before 24.2R2-S1-EVO * from 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO.
History
Type Values Removed Values Added
First Time appeared Juniper
Juniper junos Os Evolved
CPEs cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r3-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r3-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r3-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r3-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r3-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r3-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.2:r3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r3-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r3-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r3-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r3-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r3-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r3-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:22.4:r3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.2:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.2:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.2:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.2:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.2:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.4:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.4:r1-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.4:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.4:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.4:r2-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:23.4:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:24.2:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:24.2:r1-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:24.2:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:24.2:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:24.4:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:24.4:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos_os_evolved:24.4:r2:*:*:*:*:*:*
Vendors & Products Juniper
Juniper junos Os Evolved
Type Values Removed Values Added
Metrics epss

{'score': 0.00012}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A Missing Authorization vulnerability in the internal virtual routing and forwarding (VRF) of Juniper Networks Junos OS Evolved allows a local, low-privileged user to gain root privileges, leading to a system compromise. Any low-privileged user with the capability to send packets over the internal VRF can execute arbitrary Junos commands and modify the configuration, and thus compromise the system.  This issue affects Junos OS Evolved:  * All versions before 22.2R3-S7-EVO,  * from 22.4 before 22.4R3-S7-EVO,  * from 23.2 before 23.2R2-S4-EVO,  * from 23.4 before 23.4R2-S5-EVO,  * from 24.2 before 24.2R2-S1-EVO * from 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO.
Title Junos OS Evolved: A low-privileged user can execute arbitrary Junos commands and modify the configuration, thereby compromising the system
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
juniper
Published
Updated
Feb 26, 2026, 5:50 PM
Reserved
Jun 23, 2025, 1:16 PM
Status
Analyzed
Published
Jul 11, 2025, 3:15 PM
Modified
Jun 17, 2026, 9:37 AM