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CVE-2025-53521

CRITICAL CVSS 4.0: 9.3 EPSS 19.2%
Updated Mar 27, 2026
F5
Parameter Value
CVSS 9.3 (CRITICAL)
Affected Versions 15.1.0 — 17.5.1
Fixed In 15.1.10.8
Type CWE-770 (Allocation Without Limits)
Vendor F5
Public PoC Yes

When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE).   Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

CWE-770 Allocation Without Limits

Vulnerable Products 83

Configuration From (including) Up to (excluding)
F5 Big-Ip_Access_Policy_Manager
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Advanced_Firewall_Manager
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Advanced_Web_Application_Firewall
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Analytics
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Application_Acceleration_Manager
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Application_Security_Manager
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Application_Visibility_And_Reporting
cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Automation_Toolchain
cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Carrier-Grade_Nat
cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Container_Ingress_Services
cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Ddos_Hybrid_Defender
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Domain_Name_System
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Edge_Gateway
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Fraud_Protection_Service
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Global_Traffic_Manager
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Link_Controller
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Local_Traffic_Manager
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Policy_Enforcement_Manager
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Ssl_Orchestrator
cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Webaccelerator
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Websafe
cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*
 15.1.0 15.1.10.8
F5 Big-Ip_Access_Policy_Manager
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Advanced_Firewall_Manager
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Advanced_Web_Application_Firewall
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Analytics
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Application_Acceleration_Manager
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Application_Security_Manager
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Application_Visibility_And_Reporting
cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Automation_Toolchain
cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Carrier-Grade_Nat
cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Container_Ingress_Services
cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Ddos_Hybrid_Defender
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Domain_Name_System
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Edge_Gateway
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Fraud_Protection_Service
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Global_Traffic_Manager
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Link_Controller
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Local_Traffic_Manager
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Policy_Enforcement_Manager
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Ssl_Orchestrator
cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Webaccelerator
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Websafe
cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*
 16.1.0 16.1.6.1
F5 Big-Ip_Access_Policy_Manager
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Access_Policy_Manager
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Advanced_Firewall_Manager
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Advanced_Firewall_Manager
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Advanced_Web_Application_Firewall
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Advanced_Web_Application_Firewall
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Analytics
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Analytics
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Application_Acceleration_Manager
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Application_Acceleration_Manager
cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Application_Security_Manager
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Application_Security_Manager
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Application_Visibility_And_Reporting
cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Application_Visibility_And_Reporting
cpe:2.3:a:f5:big-ip_application_visibility_and_reporting:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Automation_Toolchain
cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Automation_Toolchain
cpe:2.3:a:f5:big-ip_automation_toolchain:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Carrier-Grade_Nat
cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Carrier-Grade_Nat
cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Container_Ingress_Services
cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Container_Ingress_Services
cpe:2.3:a:f5:big-ip_container_ingress_services:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Ddos_Hybrid_Defender
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Ddos_Hybrid_Defender
cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Domain_Name_System
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Domain_Name_System
cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Edge_Gateway
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Edge_Gateway
cpe:2.3:a:f5:big-ip_edge_gateway:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Fraud_Protection_Service
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Fraud_Protection_Service
cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Global_Traffic_Manager
cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Link_Controller
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Link_Controller
cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Local_Traffic_Manager
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Local_Traffic_Manager
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Policy_Enforcement_Manager
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Policy_Enforcement_Manager
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Ssl_Orchestrator
cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Ssl_Orchestrator
cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Webaccelerator
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Webaccelerator
cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1
F5 Big-Ip_Websafe
cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*
 17.1.0 17.1.3
F5 Big-Ip_Websafe
cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*
 17.5.0 <= 17.5.1

References 2

https://my.f5.com/manage/s/article/K000156741
f5sirt@f5.com
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025…
134c704f-9b21-4f2e-91b3-4a467353bcc0
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