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.
This issue affects Junos OS Evolved on PTX10004, PTX10008, PTX100016, with JNP10K-LC1201 or JNP10K-LC1202:
* All versions before 21.2R3-S8-EVO,
* 21.4-EVO versions before 21.4R3-S7-EVO,
* 22.2-EVO versions before 22.2R3-S4-EVO,
* 22.3-EVO versions before 22.3R3-S3-EVO,
* 22.4-EVO versions before 22.4R3-S2-EVO,
* 23.2-EVO versions before 23.2R2-EVO.
Project Subscriptions
No data.
No advisories yet.
Solution
The following software releases have been updated to resolve this specific issue: 21.2R3-S8-EVO, 21.4R3-S7-EVO, 22.2R3-S4-EVO, 22.3R3-S3-EVO, 22.4R3-S2-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases.
Workaround
Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators.
| Link | Providers |
|---|---|
| https://kb.juniper.net/JSA107806 |
|
Thu, 09 Apr 2026 21:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. 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. This issue affects Junos OS Evolved on PTX10004, PTX10008, PTX100016, with JNP10K-LC1201 or JNP10K-LC1202: * All versions before 21.2R3-S8-EVO, * 21.4-EVO versions before 21.4R3-S7-EVO, * 22.2-EVO versions before 22.2R3-S4-EVO, * 22.3-EVO versions before 22.3R3-S3-EVO, * 22.4-EVO versions before 22.4R3-S2-EVO, * 23.2-EVO versions before 23.2R2-EVO. | |
| Title | Junos OS Evolved: Local, authenticated attacker can gain privileged access to FPCs | |
| Weaknesses | CWE-306 | |
| References |
| |
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: juniper
Published:
Updated: 2026-04-09T21:27:44.046Z
Reserved: 2026-03-23T19:46:13.671Z
Link: CVE-2026-33788
No data.
Status : Received
Published: 2026-04-09T22:16:28.593
Modified: 2026-04-09T22:16:28.593
Link: CVE-2026-33788
No data.
OpenCVE Enrichment
No data.