Incorrect authorization in Juniper Junos OS - CVE-2025-6549

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Main Vulnerability Database Vulnerabilities #VU113056

Incorrect authorization in Juniper Junos OS - CVE-2025-6549

Published: July 18, 2025


Vulnerability identifier: #VU113056
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-6549
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to incorrect authorization error in the web server. A remote non-authenticated attacker can reach the Juniper Web Device Manager (J-Web).

When Juniper Secure connect (JSC) is enabled on specific interfaces, or multiple interfaces are configured for J-Web, the J-Web UI is reachable over more than the intended interfaces.


How to mitigate CVE-2025-6549

Install updates from vendor's website.

Sources