CVE-2025-52963: 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…

medium6.8CVSS 4.0

AVLACLATNPRLUINVCNVINVAHSCNSINSALEXCRXIRXARXMAVXMACXMATXMPRXMUIXMVCXMVIXMVAXMSCXMSIXMSAXSXAUXRUVXREMUX

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.

Affected

18 ranges

Vendor	Product	Version range	Fixed in
juniper	junos	< 21.2	21.2
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos	—	—
juniper	junos_os	—	—
juniper_networks	junos_os	< 21.2R3-S9	21.2R3-S9
juniper_networks	junos_os	>= 21.4 < 21.4R3-S11	21.4R3-S11
juniper_networks	junos_os	>= 22.2 < 22.2R3-S7	22.2R3-S7
juniper_networks	junos_os	>= 22.4 < 22.4R3-S7	22.4R3-S7
juniper_networks	junos_os	>= 23.2 < 23.2R2-S4	23.2R2-S4
juniper_networks	junos_os	>= 23.4 < 23.4R2-S5	23.4R2-S5
juniper_networks	junos_os	>= 24.2 < 24.2R2-S1	24.2R2-S1
juniper_networks	junos_os	>= 24.4 < 24.4R1-S3, 24.4R2	24.4R1-S3, 24.4R2