CVE-2026-34019
BIG-IP BFD vulnerability
En bref Sévérité MEDIUM 6.3 EPSS EPSS 0.29 % · centile 22 (2026-10-27) État PUBLISHED Publiée 2026-05-13 Mise à jour 2026-05-13 Attribuée par f5 Statut NVD Analyzed
Description When Bidirectional Forwarding Detection (BFD) is configured in Static and Dynamic routing protocols, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to stop processing BFD packets and cause the configured routing protocol to fail over. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Scores Version Score Vecteur Évalué par CVSS 4.0 MEDIUM 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N f5 CVSS 3.1 MEDIUM 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L f5 CVSS 4.0 MEDIUM 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/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 NVD · f5sirt@f5.com (Secondary) CVSS 3.1 MEDIUM 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L NVD · f5sirt@f5.com (Secondary)
Faiblesses (CWE)
Références européennes
Avis du CERT-FR
Configurations affectées (CPE NVD) cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_access_policy_manager:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_advanced_firewall_manager:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_analytics:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_application_acceleration_manager:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_application_security_manager:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_automation_toolchain:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_carrier-grade_nat:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_container_ingress_services:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_domain_name_system:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_edge_gateway:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_fraud_protection_service:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_global_traffic_manager:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_link_controller:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_local_traffic_manager:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_policy_enforcement_manager:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_ssl_orchestrator:17.5.0:*:*:*:*:*:*:*cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* ≥ 17.1.0 ≤ 17.1.2cpe:2.3:a:f5:big-ip_webaccelerator:17.5.0:*:*:*:*:*:*:*+23 autres
Produits affectés Produit Versions F5 · BIG-IP unaffected 21.0.0 < * ; affected 17.5.0 < 17.5.1 ; affected 17.1.0 < 17.1.3 ; affected 16.1.0 < *
Références
Sources