CVE-2025-52963

MEDIUM

Juniper Junos < 21.2 - Improper Access Control

Title source: rule
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory
https://supportportal.juniper.net/JSA100078

Scores

CVSS v3 5.5
EPSS 0.0006
EPSS Percentile 17.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-284
Status published
Products (4)
juniper/junos 21.2 (16 CPE variants)
juniper/junos 21.4 (18 CPE variants)
juniper/junos 22.2 (14 CPE variants)
juniper/junos 22.4 (2 CPE variants)
Published Jul 11, 2025
Tracked Since Feb 18, 2026