by Kastro CVE-2026-102031
Juniper Networks Junos OS Evolved — Junos OS Evolved: A low-privileged TACACS+ user causes root command execution when authorization refresh is enabled
Description · from the CVE record
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.
Affected
ProductAffectedFixed inSource
Junos OS Evolved< 23.2R2-S7.7-EVO23.2R2-S7.7-EVOCNA
Junos OS Evolved23.4 – < 23.4R2-S8.11-EVO23.4R2-S8.11-EVOCNA
Junos OS Evolved24.2 – < 24.2R2-S5.6-EVO24.2R2-S5.6-EVOCNA
Junos OS Evolved24.4 – < 24.4R2-S5-EVO24.4R2-S5-EVOCNA
Junos OS Evolved25.2 – < 25.2R2-S2-EVO25.2R2-S2-EVOCNA
Junos OS Evolved25.4 – < 25.4R1-S3-EVO25.4R1-S3-EVOCNA
Junos OS Evolved26.2 – < 26.2R1-S2-EVO26.2R1-S2-EVOCNA
Junos OS Evolved23.4X100–CNA
Junos OS Evolved25.2X100 – < 25.2X100-D35-EVO25.2X100-D35-EVOCNA
Junos OS Evolved25.4X300 – < 25.4X300-D40-EVO25.4X300-D40-EVOCNA
Scores by source
juniper (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
juniper (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total