Missing Authentication for Critical Function in Junos OS Evolved - CVE-2026-33788

 

Missing Authentication for Critical Function in Junos OS Evolved - CVE-2026-33788

Published: May 8, 2026


Vulnerability identifier: #VU130693
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-33788
CWE-ID: CWE-306
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Junos OS Evolved

Detailed vulnerability description

The vulnerability allows a local user to gain direct access to installed flexible pic concentrators.

The vulnerability exists due to missing authentication for critical function in the flexible pic concentrators (FPCs) when handling local access by authenticated low-privileged users. A local user can gain direct access to the installed FPCs to gain direct access to installed flexible pic concentrators.

Successful exploitation provides access to the affected component as a high privileged user and can potentially lead to full compromise of that component.


How to mitigate CVE-2026-33788

Install security update from vendor's website.

Sources