CVE-2025-20029 is a high-severity command injection vulnerability in the F5 BIG-IP product line. The vulnerability exists in the iControl REST and BIG-IP TMOS Shell (tmsh) save command, allowing an authenticated attacker to execute arbitrary system commands. Its CVSS score of 8.7 indicates that this vulnerability poses a significant risk to organizations relying on these systems.
Risk to organizations includes unauthorized command execution, which could lead to system compromise, data exposure, and further exploitation of network resources. Given the potential impact and the nature of the vulnerability, organizations should prioritize patching immediately.
The vulnerability was published on February 5, 2025, and has been analyzed by security researchers. The attack vector is network-based, requiring low complexity and only low privileges to exploit. As of now, there are known exploits for this vulnerability.
Organizations using F5 BIG-IP products must assess their exposure and take immediate action to mitigate this vulnerability.
Vulnerability Details
The official description states that a command injection vulnerability exists in the iControl REST and BIG-IP TMOS Shell (tmsh) save command. This vulnerability allows an authenticated attacker to execute arbitrary system commands. The vulnerability is classified under CWE-78, indicating it involves improper neutralization of special elements in a command.
The vulnerability affects various F5 BIG-IP components, including the BIG-IP Access Policy Manager, Advanced Firewall Manager, and others. The CVSS score is 8.7, indicating high severity. Organizations must evaluate their systems and prioritize patching.
Technical Analysis
The root cause of the vulnerability is a flaw in the command handling within the iControl REST and TMOS Shell, allowing for command injection. The attack vector is through network access, and the complexity of the attack is low, requiring only low privileges. No user interaction is needed, making it easier for attackers to exploit.
The potential impact of this vulnerability is significant, with high confidentiality, integrity, and availability impacts. Attackers may leverage this vulnerability to gain unauthorized access and execute malicious commands.
Risk & Impact Analysis
The real-world risk of CVE-2025-20029 is substantial. Organizations that deploy F5 BIG-IP products may face severe consequences if this vulnerability is exploited. The potential for unauthorized command execution raises urgent concerns about data integrity and system stability.
The blast radius of this vulnerability could affect numerous systems within an organization's infrastructure, especially if exploited in conjunction with other vulnerabilities. Organizations should address this vulnerability in their priority patch cycle.
Given the high CVSS score and the exploitability of this vulnerability, organizations are urged to take immediate action to remediate it.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The following versions of F5 BIG-IP products are affected by this vulnerability:
All versions prior to vendor patch for the following products:
BIG-IP Access Policy Manager, Advanced Firewall Manager, Advanced Web Application Firewall, Analytics, Application Acceleration Manager, Application Security Manager, Application Visibility and Reporting, Automation Toolchain, Carrier Grade NAT, Container Ingress Services, DDoS Hybrid Defender, Domain Name System, Edge Gateway, Fraud Protection Service, Global Traffic Manager, Link Controller, Local Traffic Manager, Policy Enforcement Manager, SSL Orchestrator, WebAccelerator, and WebSafe.
Mitigation & Remediation
Organizations should immediately apply patches provided by F5 to remediate this vulnerability. The specific upgrade versions are available in the vendor advisory.
In addition to patching, organizations should implement configuration hardening and network controls to limit exposure. Continuous monitoring for unusual activity is also recommended.
For further information on securing your applications, organizations can refer to our application security assessment services.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor system logs for unusual command executions and authentication failures. Behavioral anomalies in user activities should also be investigated.
Network signatures can be established to identify malicious traffic patterns that may exploit this vulnerability.
AppSecure Threat Intelligence Insight
CVE-2025-20029 highlights the importance of secure coding practices and regular vulnerability assessments. The command injection nature of this vulnerability underscores the need for developers to validate user inputs rigorously.
As cyber threats evolve, organizations must adopt proactive security measures, including regular continuous penetration testing to identify vulnerabilities before they can be exploited.
Security teams should also review incident response protocols to ensure a swift and effective response to potential exploits.
For further insights and best practices, organizations can explore our vulnerability management program and penetration testing methodology articles.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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