CVE-2025-52963 – Juniper Networks Junos OS Improper Access Control Denial-of-Service

CVE ID : CVE-2025-52963

Published : July 11, 2025, 3:15 p.m. | 59 minutes ago

Description : An Improper Access Control vulnerability in the User Interface (UI) of Juniper Networks Junos OS allows a local, low-privileged attacker to bring down an interface, leading to a Denial-of-Service.

Users with “view” permissions can run a specific request interface command which allows the user to shut down the interface.
This issue affects Junos OS: 

* All versions before 21.2R3-S9,
* from 21.4 before 21.4R3-S11,
* from 22.2 before 22.2R3-S7,
* from 22.4 before 22.4R3-S7,
* from 23.2 before 23.2R2-S4,
* from 23.4 before 23.4R2-S5,  
* from 24.2 before 24.2R2-S1,
* from 24.4 before 24.4R1-S3, 24.4R2.

Severity: 5.5 | MEDIUM

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