CVE-2025-20058 is a high-severity vulnerability affecting F5 BIG-IP products, specifically when a BIG-IP message routing profile is configured on a virtual server. This vulnerability allows undisclosed traffic to cause an increase in memory resource utilization, which can lead to service degradation. The CVSS score for this vulnerability is 8.9, indicating significant risk to organizations. Immediate action is required to mitigate potential impacts.
Risk to organizations includes potential service outages due to increased memory usage. Attackers may leverage this vulnerability to exhaust system resources, leading to denial of service conditions. Given the critical nature of this vulnerability, organizations should prioritize patching immediately.
The vulnerability was published on February 5, 2025, and has been analyzed as part of F5's ongoing security assessment processes. As with all vulnerabilities, it is crucial for organizations using affected versions to remain vigilant and apply updates as soon as they are available.
No public exploits have been confirmed at this time, but the nature of the vulnerability means it could be exploited without prior knowledge by malicious actors. Therefore, organizations must take this threat seriously and implement the necessary protections.
Vulnerability Details
The official description states that when a BIG-IP message routing profile is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization. This vulnerability is classified as CWE-400, which indicates that it results from the inability to limit resource consumption.
The vulnerability is present in the following F5 BIG-IP components: big-ip_access_policy_manager, big-ip_advanced_firewall_manager, big-ip_advanced_web_application_firewall, big-ip_analytics, big-ip_application_acceleration_manager, big-ip_application_security_manager, big-ip_application_visibility_and_reporting, big-ip_automation_toolchain, big-ip_carrier-grade_nat, big-ip_container_ingress_services, big-ip_ddos_hybrid_defender, big-ip_domain_name_system, big-ip_edge_gateway, big-ip_fraud_protection_service, big-ip_global_traffic_manager, big-ip_link_controller, big-ip_local_traffic_manager, big-ip_policy_enforcement_manager, big-ip_ssl_orchestrator, big-ip_webaccelerator, and big-ip_websafe.
The vulnerability has a CVSS score of 8.9, categorized as high severity. The attack vector is network-based, with low attack complexity and no privileges or user interaction required for exploitation. The impact on availability is high, making it crucial for organizations to address this vulnerability promptly.
Technical Analysis
The root cause of CVE-2025-20058 stems from the way F5 BIG-IP handles memory allocation during the processing of incoming traffic when a message routing profile is configured. The system does not adequately manage memory resources, leading to potential exhaustion under certain traffic conditions.
The attack vector for this vulnerability is network-based, meaning that an attacker can exploit it remotely without physical access to the affected systems. The attack complexity is low, indicating that no specialized knowledge or skills are required to exploit this vulnerability. Importantly, this vulnerability does not require any privileges or user interaction, making it easier for attackers to leverage.
In terms of impact, the confidentiality and integrity of the system remain unaffected, while the availability is significantly impacted. This means that while sensitive data is not at risk, the performance and reliability of the services provided by the affected systems are compromised, leading to potential downtime and service interruptions.
Risk & Impact Analysis
The real-world deployment risk of CVE-2025-20058 is significant, especially for organizations relying on F5 BIG-IP products for critical operations. The potential for increased memory utilization can lead to system unavailability, affecting business continuity and customer satisfaction. The blast radius includes all components mentioned earlier, meaning that a successful exploit could impact the entire infrastructure relying on these services.
Given the high CVSS score of 8.9, organizations should address this issue in their priority patch cycle. The risk of exploitation is heightened by the lack of currently known public exploits, which may lead to attackers attempting to exploit this vulnerability before patches are applied. Therefore, it's imperative to have a proactive approach to vulnerability management.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The following versions of F5 BIG-IP products are affected by CVE-2025-20058:
1. BIG-IP Access Policy Manager (versions 15.1.0 to 15.1.10, 16.1.0 to 16.1.6, and 17.1.0 to 17.1.2)2. BIG-IP Advanced Firewall Manager (versions 15.1.0 to 15.1.10, 16.1.0 to 16.1.6, and 17.1.0 to 17.1.2)3. BIG-IP Advanced Web Application Firewall (versions 15.1.0 to 15.1.10, 16.1.0 to 16.1.6, and 17.1.0 to 17.1.2)4. BIG-IP Analytics (versions 15.1.0 to 15.1.10, 16.1.0 to 16.1.6, and 17.1.0 to 17.1.2)5. BIG-IP Application Security Manager (versions 15.1.0 to 15.1.10, 16.1.0 to 16.1.6, and 17.1.0 to 17.1.2)
Mitigation & Remediation
Organizations should prioritize patching all affected versions of F5 BIG-IP products. Ensure all systems are updated to the latest available versions that address this vulnerability. If a patch is not available, consider implementing configuration changes to limit exposure to this vulnerability.
For further assistance, organizations may consider engaging in penetration testing services to evaluate their security posture and identify any other potential vulnerabilities.
Detection Guidance
To detect potential exploitation of this vulnerability, monitor system logs for unusual memory usage patterns, and watch for spikes in resource utilization that do not correlate with normal operational activity.
AppSecure Threat Intelligence Insight
The significance of CVE-2025-20058 lies in its potential impact on the availability of critical services provided by F5 BIG-IP products. Organizations must recognize the trends related to resource exhaustion vulnerabilities and ensure they are prepared to respond effectively.
Security teams should learn from this vulnerability to enhance their defensive strategies against similar issues in the future. Establishing robust monitoring and alerting systems can help detect anomalies early, preventing potential exploitation.
For more information on vulnerability management, organizations can refer to the following resources: vulnerability management program and penetration testing methodology.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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