CVE-2025-20045 BIG-IP SIP MRF Vulnerability
Attackers can cause a denial of service by sending specific traffic to BIG-IP virtual servers configured with SIP ALG Passthru Mode.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-20045?
CVE-2025-20045 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 5 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
When SIP session Application Level Gateway mode (ALG) profile with Passthru Mode enabled and SIP router ALG profile are configured on a Message Routing type virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Weakness: CWE-476
Which versions are affected by CVE-2025-20045?
It affects 21 products.
Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager and 15 more.
How do I fix CVE-2025-20045?
No fix has been published for CVE-2025-20045 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-20045 being exploited?
There is no known exploitation of CVE-2025-20045 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Access Policy Manager
- CVE-2023-46747 F5 BIG-IP Configuration Utility Authentication Bypass
- CVE-2022-1388 F5 BIG-IP Missing Authentication
- CVE-2021-22986 F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution
- CVE-2021-22991 F5 BIG-IP Traffic Management Microkernel Buffer Overflow
- CVE-2020-5902 F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution
Sources
Also known as GHSA-g7gf-f662-24xm.