Vulnerability Database

328,119

Total vulnerabilities in the database

CVE-2026-20732

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.

  • Published: Feb 4, 2026
  • Updated: Feb 5, 2026
  • CVE: CVE-2026-20732
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 3.1
  • AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

CWEs:

Software From Fixed in
f5 / big-ip_access_policy_manager 16.1.0 16.1.6.x
f5 / big-ip_advanced_firewall_manager 16.1.0 16.1.6.x
f5 / big-ip_advanced_web_application_firewall 16.1.0 16.1.6.x
f5 / big-ip_analytics 16.1.0 16.1.6.x
f5 / big-ip_application_acceleration_manager 16.1.0 16.1.6.x
f5 / big-ip_application_security_manager 16.1.0 16.1.6.x
f5 / big-ip_application_visibility_and_reporting 16.1.0 16.1.6.x
f5 / big-ip_automation_toolchain 16.1.0 16.1.6.x
f5 / big-ip_carrier-grade_nat 16.1.0 16.1.6.x
f5 / big-ip_container_ingress_services 16.1.0 16.1.6.x
f5 / big-ip_ddos_hybrid_defender 16.1.0 16.1.6.x
f5 / big-ip_domain_name_system 16.1.0 16.1.6.x
f5 / big-ip_edge_gateway 16.1.0 16.1.6.x
f5 / big-ip_fraud_protection_service 16.1.0 16.1.6.x
f5 / big-ip_global_traffic_manager 16.1.0 16.1.6.x
f5 / big-ip_link_controller 16.1.0 16.1.6.x
f5 / big-ip_local_traffic_manager 16.1.0 16.1.6.x
f5 / big-ip_policy_enforcement_manager 16.1.0 16.1.6.x
f5 / big-ip_ssl_orchestrator 16.1.0 16.1.6.x
f5 / big-ip_webaccelerator 16.1.0 16.1.6.x
f5 / big-ip_websafe 16.1.0 16.1.6.x
f5 / big-ip_access_policy_manager 17.1.0 17.1.3.1
f5 / big-ip_access_policy_manager 17.5.0 17.5.1.4
f5 / big-ip_advanced_firewall_manager 17.1.0 17.1.3.1
f5 / big-ip_advanced_firewall_manager 17.5.0 17.5.1.4
f5 / big-ip_advanced_web_application_firewall 17.1.0 17.1.3.1
f5 / big-ip_advanced_web_application_firewall 17.5.0 17.5.1.4
f5 / big-ip_analytics 17.1.0 17.1.3.1
f5 / big-ip_analytics 17.5.0 17.5.1.4
f5 / big-ip_application_acceleration_manager 17.1.0 17.1.3.1
f5 / big-ip_application_acceleration_manager 17.5.0 17.5.1.4
f5 / big-ip_application_security_manager 17.1.0 17.1.3.1
f5 / big-ip_application_security_manager 17.5.0 17.5.1.4
f5 / big-ip_application_visibility_and_reporting 17.1.0 17.1.3.1
f5 / big-ip_application_visibility_and_reporting 17.5.0 17.5.1.4
f5 / big-ip_automation_toolchain 17.1.0 17.1.3.1
f5 / big-ip_automation_toolchain 17.5.0 17.5.1.4
f5 / big-ip_carrier-grade_nat 17.1.0 17.1.3.1
f5 / big-ip_carrier-grade_nat 17.5.0 17.5.1.4
f5 / big-ip_container_ingress_services 17.1.0 17.1.3.1
f5 / big-ip_container_ingress_services 17.5.0 17.5.1.4
f5 / big-ip_ddos_hybrid_defender 17.1.0 17.1.3.1
f5 / big-ip_ddos_hybrid_defender 17.5.0 17.5.1.4
f5 / big-ip_domain_name_system 17.1.0 17.1.3.1
f5 / big-ip_domain_name_system 17.5.0 17.5.1.4
f5 / big-ip_edge_gateway 17.1.0 17.1.3.1
f5 / big-ip_edge_gateway 17.5.0 17.5.1.4
f5 / big-ip_fraud_protection_service 17.1.0 17.1.3.1
f5 / big-ip_fraud_protection_service 17.5.0 17.5.1.4
f5 / big-ip_global_traffic_manager 17.1.0 17.1.3.1
f5 / big-ip_global_traffic_manager 17.5.0 17.5.1.4
f5 / big-ip_link_controller 17.1.0 17.1.3.1
f5 / big-ip_link_controller 17.5.0. 17.5.1.4
f5 / big-ip_local_traffic_manager 17.1.0 17.1.3.1
f5 / big-ip_local_traffic_manager 17.5.0 17.5.1.4
f5 / big-ip_policy_enforcement_manager 17.1.0 17.1.3.1
f5 / big-ip_policy_enforcement_manager 17.5.0 17.5.1.4
f5 / big-ip_ssl_orchestrator 17.1.0 17.1.3.1
f5 / big-ip_ssl_orchestrator 17.5.0 17.5.1.4
f5 / big-ip_webaccelerator 17.1.0 17.1.3.1
f5 / big-ip_webaccelerator 17.5.0 17.5.1.4
f5 / big-ip_websafe 17.1.0 17.1.3.1
f5 / big-ip_websafe 17.5.0 17.5.1.4

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.