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MEDIUM · 5.5

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 interface, leading to a Denial-of-Service. Us...

Vulnerability 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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
JuniperJunos< 21.2

Related Weaknesses (CWE)

CWE-284

References

FAQ

What is CVE-2025-52963?

CVE-2025-52963 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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. Us...

How severe is CVE-2025-52963?

CVE-2025-52963 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-52963?

Check the references section above for vendor advisories and patch information. Affected products include: Juniper Junos.