BIG-IP Configuration utility vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-451.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| F5 | BIG-IP | 21.1.0 to before 21.1.0.1; 21.0.0 to before 21.0.0.3; 17.5.0 to before 17.5.1.8; 17.1.0 to before 17.1.3.4 | 21.1.0.1, 21.0.0.3, 17.5.1.8, 17.1.3.4 | Patch available | CNA |
- BIG-IP VendorF5 Affected 21.1.0 to before 21.1.0.1; 21.0.0 to before 21.0.0.3; 17.5.0 to before 17.5.1.8; 17.1.0 to before 17.1.3.4 Fixed in 21.1.0.1, 21.0.0.3, 17.5.1.8, 17.1.3.4 Patch available CNA
CPE configurations NVD · 42
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
Show 32 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:* | 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
| cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:* | 21.0.0 – 21.1.0 | Vulnerable | F5 |
- cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:* Versions 17.1.0 – 17.1.3; 17.5.0 – 17.5.1 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
- cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:* Versions 21.0.0 – 21.1.0 Vulnerable ·F5
Remediation
- Fix · CNA BIG-IP (F5) Fixed in 21.1.0.1, 21.0.0.3, 17.5.1.8, 17.1.3.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
F5 BIG-IP 17.1.3.4, 17.5.1.8 and 2 more versions
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-47463 BIG-IP and BIG-IQ Configuration utility vulnerabilityPriority MEDIUM 40
Timeline
- 2026-10-02 Threatist record created from CVE-2026-63020
- 2026-10-03 Alias added: GHSA-7f8w-84hq-vpww
References
More F5 Big-ip Access Policy Manager vulnerabilities
- TI-2023-25230 BIG-IP Configuration utility unauthenticated remote code execution vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2022-01269 Missing authentication in F5 BIG-IP KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05850 Memory corruption in BIG-IP KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05845 Server-side request forgery in BIG-IP; BIG-IQ KEVCVSS 3.1CRITICAL 9.8
- TI-2020-04820 Path traversal in BIG-IP KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-63020 · CVE Program
- CVE-2026-63020 · NVD
- FIRST EPSS
- GHSA-7f8w-84hq-vpww · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences