CVE-2026-63020
BIG-IP Configuration utility vulnerability
LOW 2.3
At a glance
- Source
- NVD
- EPSS
- EPSS 0.23 % · percentile 14 ()
- State
- PUBLISHED
- Published
- Updated
- 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 Impact: An attacker may trick authenticated BIG-IP users into accessing malicious links and reflect a spoofed error message in the victim's BIG-IP Configuration utility web browser session. This is a control plane issue; there is no data plane exposure. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Weaknesses (CWE)
- CWE-451 — User Interface (UI) Misrepresentation of Critical Information
References
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) |
European references
- ENISA EUVD · EUVD-2026-70135
- GCVE · GCVE-0-2026-63020
CERT-FR advisories
- CERTFR-2026-AVI-1111 — Multiples vulnérabilités dans les produits F5 · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*≥ 17.1.0 ≤ 17.1.3cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*≥ 17.5.0 ≤ 17.5.1- +23 more
Affected products
| Product | Versions |
|---|---|
| F5 · BIG-IP | affected 21.1.0 < 21.1.0.1 ; affected 21.0.0 < 21.0.0.3 ; affected 17.5.0 < 17.5.1.8 ; affected 17.1.0 < 17.1.3.4 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |