EUVD-2026-21093
GHSA-w5q7-9fqr-f6hx
CVSS VectorNVD
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:X/RE:M/U:X
Lifecycle Timeline
6DescriptionNVD
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.
AnalysisAI
Local privilege escalation in Juniper Networks Junos OS Evolved on PTX Series routers allows authenticated users with low privileges to gain high-privileged direct access to Flexible PIC Concentrators (FPCs), enabling potential full compromise of affected line cards. Impacts PTX10004, PTX10008, PTX10016 with JNP10K-LC1201 or JNP10K-LC1202 line cards across multiple firmware branches. …
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RemediationAI
Within 24 hours: identify all PTX Series routers (PTX10004, PTX10008, PTX10016) running affected firmware branches with JNP10K-LC1201 or JNP10K-LC1202 line cards and document current firmware versions. Within 7 days: apply vendor-released patch to all identified systems according to Juniper's published update schedule, prioritizing production routers first. …
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