HIGH · 7.5

CVE-2025-20045

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 cau...

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
F5Big-Ip Access Policy Manager>= 15.1.0, <= 15.1.10
F5Big-Ip Advanced Firewall Manager>= 15.1.0, <= 15.1.10
F5Big-Ip Advanced Web Application Firewall>= 15.1.0, <= 15.1.10
F5Big-Ip Analytics>= 15.1.0, <= 15.1.10
F5Big-Ip Application Acceleration Manager>= 15.1.0, <= 15.1.10
F5Big-Ip Application Security Manager>= 15.1.0, <= 15.1.10
F5Big-Ip Application Visibility And Reporting>= 15.1.0, <= 15.1.10
F5Big-Ip Automation Toolchain>= 15.1.0, <= 15.1.10
F5Big-Ip Carrier-Grade Nat>= 15.1.0, <= 15.1.10
F5Big-Ip Container Ingress Services>= 15.1.0, <= 15.1.10
F5Big-Ip Ddos Hybrid Defender>= 15.1.0, <= 15.1.10
F5Big-Ip Domain Name System>= 15.1.0, <= 15.1.10
F5Big-Ip Edge Gateway>= 15.1.0, <= 15.1.10
F5Big-Ip Fraud Protection Service>= 15.1.0, <= 15.1.10
F5Big-Ip Global Traffic Manager>= 15.1.0, <= 15.1.10
F5Big-Ip Link Controller>= 15.1.0, <= 15.1.10
F5Big-Ip Local Traffic Manager>= 15.1.0, <= 15.1.10
F5Big-Ip Policy Enforcement Manager>= 15.1.0, <= 15.1.10
F5Big-Ip Ssl Orchestrator>= 15.1.0, <= 15.1.10
F5Big-Ip Webaccelerator>= 15.1.0, <= 15.1.10

Related Weaknesses (CWE)

References

FAQ

What is CVE-2025-20045?

CVE-2025-20045 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 cau...

How severe is CVE-2025-20045?

CVE-2025-20045 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-20045?

Check the references section above for vendor advisories and patch information. Affected 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.