Vulnerability Details CVE-2026-33788
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 1.8%
CVSS Severity
CVSS v3 Score 7.8
References
Products affected by CVE-2026-33788
-
cpe:2.3:h:juniper:jnp10k-lc1201:-
-
cpe:2.3:h:juniper:jnp10k-lc1202:-
-
cpe:2.3:h:juniper:ptx100016:-
-
cpe:2.3:h:juniper:ptx10004:-
-
cpe:2.3:h:juniper:ptx10008:-
-
cpe:2.3:o:juniper:junos_os_evolved:18.3
-
cpe:2.3:o:juniper:junos_os_evolved:19.1
-
cpe:2.3:o:juniper:junos_os_evolved:19.2
-
cpe:2.3:o:juniper:junos_os_evolved:19.3
-
cpe:2.3:o:juniper:junos_os_evolved:19.4
-
cpe:2.3:o:juniper:junos_os_evolved:20.1
-
cpe:2.3:o:juniper:junos_os_evolved:20.2
-
cpe:2.3:o:juniper:junos_os_evolved:20.3
-
cpe:2.3:o:juniper:junos_os_evolved:20.4
-
cpe:2.3:o:juniper:junos_os_evolved:21.1
-
cpe:2.3:o:juniper:junos_os_evolved:21.2
-
cpe:2.3:o:juniper:junos_os_evolved:21.4
-
cpe:2.3:o:juniper:junos_os_evolved:22.2
-
cpe:2.3:o:juniper:junos_os_evolved:22.3
-
cpe:2.3:o:juniper:junos_os_evolved:22.4
-
cpe:2.3:o:juniper:junos_os_evolved:23.2