CVE-2026-33788
Severity CVSS v4.0:
HIGH
Type:
CWE-306
Missing Authentication for Critical Function
Publication date:
09/04/2026
Last modified:
09/04/2026
Description
A Missing Authentication for Critical Function vulnerability in the Flexible PIC Concentrators (FPCs) of Juniper Networks Junos OS Evolved on PTX Series allows a local, authenticated attacker with low privileges to gain direct access to FPCs installed in the device.<br />
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A local user with low privileges can gain direct access to the installed FPCs as a high privileged user, which can potentially lead to a full compromise of the affected component.<br />
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This issue affects Junos OS Evolved on PTX10004, PTX10008, PTX100016, with JNP10K-LC1201 or JNP10K-LC1202:<br />
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<br />
<br />
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* All versions before 21.2R3-S8-EVO,<br />
* 21.4-EVO versions before 21.4R3-S7-EVO,<br />
* 22.2-EVO versions before 22.2R3-S4-EVO,<br />
* 22.3-EVO versions before 22.3R3-S3-EVO,<br />
* 22.4-EVO versions before 22.4R3-S2-EVO,<br />
* 23.2-EVO versions before 23.2R2-EVO.
Impact
Base Score 4.0
8.50
Severity 4.0
HIGH
Base Score 3.x
7.80
Severity 3.x
HIGH