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TI-2026-45009 Aliases CVE-2026-63020GHSA-7f8w-84hq-vpww

BIG-IP Configuration utility vulnerability

Priority LOW 12CWE-451Published · Updated

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

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0023 13th percentileScored 2026-11-07
Fix Fixed BIG-IP (F5): 21.1.0.1, 21.0.0.3, 17.5.1.8 +1

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

VendorProductAffected versionsFixed inStatusSource
F5BIG-IP21.1.0 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 17.1.3.421.1.0.1, 21.0.0.3, 17.5.1.8, 17.1.3.4Patch availableCNA
  • 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

CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
  • 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
CPEVersionsRoleVendor
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*17.1.0 – 17.1.3; 17.5.0 – 17.5.1VulnerableF5
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*21.0.0 – 21.1.0VulnerableF5
  • 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

  1. 2026-10-02 Threatist record created from CVE-2026-63020
  2. 2026-10-03 Alias added: GHSA-7f8w-84hq-vpww

References

  • 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
See all 629 →

Sources