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CVE-2026-102031NVD
Vulnerability Summary
An OS Command Injection vulnerability in TACACS of Juniper Networks Junos OS Evolved allows a low-privileged TACACS+-authenticated user to execute commands with root privileges when periodic TACACS+ authorization-refresh is enabled.
CVSS v4.0 Base Metrics — Score 9.3 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)Low
CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Affected & Patched Versions
- Juniper Networks Junos OS Evolved < 23.2R2-S7.7-EVO
- Juniper Networks Junos OS Evolved >= 23.4 and < 23.4R2-S8.11-EVO
- Juniper Networks Junos OS Evolved >= 24.2 and < 24.2R2-S5.6-EVO
- Juniper Networks Junos OS Evolved >= 24.4 and < 24.4R2-S5-EVO
- Juniper Networks Junos OS Evolved >= 25.2 and < 25.2R2-S2-EVO
- Juniper Networks Junos OS Evolved >= 25.4 and < 25.4R1-S3-EVO
- Juniper Networks Junos OS Evolved >= 26.2 and < 26.2R1-S2-EVO
- Juniper Networks Junos OS Evolved >= 23.4X100
- Juniper Networks Junos OS Evolved >= 25.2X100 and < 25.2X100-D35-EVO
- Juniper Networks Junos OS Evolved >= 25.4X300 and < 25.4X300-D40-EVO
- Juniper Networks Junos OS Evolved 23.2R2-S7.7-EVO
- Juniper Networks Junos OS Evolved 23.4R2-S8.11-EVO
- Juniper Networks Junos OS Evolved 24.2R2-S5.6-EVO
- Juniper Networks Junos OS Evolved 24.4R2-S5-EVO
- Juniper Networks Junos OS Evolved 25.2R2-S2-EVO
- Juniper Networks Junos OS Evolved 25.4R1-S3-EVO
- Juniper Networks Junos OS Evolved 26.2R1-S2-EVO
- Juniper Networks Junos OS Evolved 25.2X100-D35-EVO
- Juniper Networks Junos OS Evolved 25.4X300-D40-EVO