CVE-2025-52954

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

State: Published
Severity: 8.5 High
Published: Jul 11, 2025
Updated: Feb 26, 2026
Reserved: Jun 23, 2025

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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.

Scores

CVSS	Score	Vector	Source
4.0	8.5 High	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	juniper
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	juniper

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
Junos OS EvolvedJuniper Networks	before 22.2R3-S7-EVOAffected 22.4 to before 22.4R3-S7-EVOAffected 23.2 to before 23.2R2-S4-EVOAffected 23.4 to before 23.4R2-S5-EVOAffected 24.2 to before 24.2R2-S1-EVOAffected 24.4 to before 24.4R1-S2-EVO, 24.4R2-EVOAffected

References

https://supportportal.juniper.net/JSA100060vendor-advisory

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