CVE-2026-20732
BIG-IP Configuration utility vulnerability
At a glance Severity LOW 2.3 EPSS EPSS 0.18 % · percentile 8 (2026-10-27) State PUBLISHED Published 2026-02-04 Updated 2026-02-04 Assigner f5 NVD status Analyzed Description A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Scores Version Score Vector Scored by CVSS 3.1 LOW 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N f5 CVSS 4.0 LOW 2.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N f5 CVSS 4.0 LOW 2.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:L/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 NVD · f5sirt@f5.com (Secondary) CVSS 3.1 LOW 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N NVD · f5sirt@f5.com (Secondary) CVSS 3.1 MEDIUM 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:* ≥ 16.1.0 ≤ 16.1.6cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* ≥ 17.1.0 < 17.1.3.1cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* ≥ 17.5.0 < 17.5.1.4cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* ≥ 17.1.0 < 17.1.3.1cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* ≥ 17.5.0 < 17.5.1.4cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* ≥ 17.1.0 < 17.1.3.1cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* ≥ 17.5.0 < 17.5.1.4cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* ≥ 17.1.0 < 17.1.3.1cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* ≥ 17.5.0 < 17.5.1.4cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* ≥ 17.1.0 < 17.1.3.1cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* ≥ 17.5.0 < 17.5.1.4cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 17.1.0 < 17.1.3.1cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 17.5.0 < 17.5.1.4cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:* ≥ 17.1.0 < 17.1.3.1cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:* ≥ 17.5.0 < 17.5.1.4cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:* ≥ 17.1.0 < 17.1.3.1cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:* ≥ 17.5.0 < 17.5.1.4cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:* ≥ 17.1.0 < 17.1.3.1cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:* ≥ 17.5.0 < 17.5.1.4cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:* ≥ 17.1.0 < 17.1.3.1+23 more Affected products Product Versions F5 · BIG-IP unaffected 21.0.0 < * ; affected 17.5.0 < 17.5.1.4 ; affected 17.1.0 < 17.1.3.1 ; affected 16.1.0 < *
References
Sources
