CVE-2025-20045

BIG-IP SIP MRF Vulnerability

Severity Score

8.7

*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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.

*Credits: F5

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

None

User Interaction

None

System

Vulnerable | Subsequent

Confidentiality

None

Integrity

None

Availability

High

Low

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2025-01-22 CVE Reserved
2025-02-05 CVE Published
2025-02-05 CVE Updated
2025-02-06 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://my.f5.com/manage/s/article/K000138932	2025-02-05

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
F5 Search vendor "F5"		BIG-IP Search vendor "F5" for product "BIG-IP"				>= 17.1.0 < 17.1.2 Search vendor "F5" for product "BIG-IP" and version " >= 17.1.0 < 17.1.2"		en		Affected
F5 Search vendor "F5"		BIG-IP Search vendor "F5" for product "BIG-IP"				>= 16.1.0 < 16.1.5 Search vendor "F5" for product "BIG-IP" and version " >= 16.1.0 < 16.1.5"		en		Affected
F5 Search vendor "F5"		BIG-IP Search vendor "F5" for product "BIG-IP"				< 15.1.0 Search vendor "F5" for product "BIG-IP" and version " < 15.1.0"		en		Affected