Improper Access Control in Juniper Networks Junos OS
CVE-2025-52963

6.8MEDIUM

Key Information:

Vendor

Juniper Networks
Status
Junos Os
Vendor
CVE Published:
11 July 2025

Badges

👾 Exploit Exists

What is CVE-2025-52963?

An Improper Access Control vulnerability in the User Interface (UI) of Juniper Networks' Junos OS enables low-privileged local attackers to shut down an interface. This can potentially lead to a Denial-of-Service condition. Particularly, users with 'view' permissions can execute a specific request interface command, which may result in disrupting essential services. The issue affects several versions of Junos OS prior to updates aimed at addressing this serious concern.

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Affected Version(s)

Junos OS 0 < 21.2R3-S9

Junos OS 21.4 < 21.4R3-S11

Junos OS 22.2 < 22.2R3-S7

References

https://supportportal.juniper.net/JSA100078
vendor-advisory

CVSS V4

Score:
6.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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