{"id":"CVE-2026-41217","aliases":["EUVD-2026-29983","GHSA-vg2p-cjx9-xffp"],"status":"published","title":"BIG-IP tmsh vulnerability","description":"A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a successful exploit can allow the attacker to cross a security boundary.\n\n Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","severity":{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00107,"percentile":0.01157,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-732"],"published":"2026-05-13T14:12:39Z","modified":"2026-10-26T17:10:03Z","products":[{"vendor":"f5","product":"big-ip"},{"vendor":"f5","product":"big-ip_access_policy_manager"},{"vendor":"f5","product":"big-ip_advanced_firewall_manager"},{"vendor":"f5","product":"big-ip_advanced_web_application_firewall"},{"vendor":"f5","product":"big-ip_analytics"},{"vendor":"f5","product":"big-ip_application_acceleration_manager"},{"vendor":"f5","product":"big-ip_application_security_manager"},{"vendor":"f5","product":"big-ip_application_visibility_and_reporting"},{"vendor":"f5","product":"big-ip_automation_toolchain"},{"vendor":"f5","product":"big-ip_carrier-grade_nat"},{"vendor":"f5","product":"big-ip_container_ingress_services"},{"vendor":"f5","product":"big-ip_ddos_hybrid_defender"},{"vendor":"f5","product":"big-ip_domain_name_system"},{"vendor":"f5","product":"big-ip_edge_gateway"},{"vendor":"f5","product":"big-ip_fraud_protection_service"},{"vendor":"f5","product":"big-ip_global_traffic_manager"},{"vendor":"f5","product":"big-ip_link_controller"},{"vendor":"f5","product":"big-ip_local_traffic_manager"},{"vendor":"f5","product":"big-ip_policy_enforcement_manager"},{"vendor":"f5","product":"big-ip_ssl_orchestrator"},{"vendor":"f5","product":"big-ip_webaccelerator"},{"vendor":"f5","product":"big-ip_websafe"}],"references":[{"url":"https://my.f5.com/manage/s/article/K000161107","tags":["vendor-advisory","patch","Mitigation","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41217"},{"url":"https://github.com/advisories/GHSA-vg2p-cjx9-xffp"}],"sources":{"cve":[{"id":"CVE-2026-41217","title":"BIG-IP tmsh vulnerability","description":"A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a successful exploit can allow the attacker to cross a security boundary.\n\n Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","status":"published","published":"2026-05-13T14:12:39.02Z","modified":"2026-05-13T16:10:27.929Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"},{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-29983","description":"A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a successful exploit can allow the attacker to cross a security boundary.\n\n Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","status":"published","published":"2026-05-13T14:12:39Z","modified":"2026-05-13T16:10:27Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:04:33.260537Z"}],"ghsa":[{"id":"GHSA-vg2p-cjx9-xffp","title":"A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an...","description":"A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a successful exploit can allow the attacker to cross a security boundary.\n\n Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","status":"published","published":"2026-05-13T18:30:55Z","modified":"2026-05-13T18:31:06Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/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:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T15:08:07.741271Z"}],"nvd":[{"id":"CVE-2026-41217","description":"A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a successful exploit can allow the attacker to cross a security boundary.\n\n Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","status":"published","published":"2026-05-13T16:16:44.34Z","modified":"2026-10-26T17:10:03.27Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/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:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:12:19.020465Z"}]}}