CVE-2025-65561 — HIGH (7.5)

Vulnerability Description

An issue was discovered in function LocalNode.Sess in free5GC 4.1.0 allowing attackers to cause a denial of service or other unspecified impacts via crafted header Local SEID to the PFCP Session Modification Request.

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

Vendor	Product	Versions
Free5Gc	Free5Gc	4.1.0

Related Weaknesses (CWE)

CWE-20

References

https://github.com/free5gc/free5gc/issues/730ExploitIssue TrackingThird Party Advisory
https://github.com/free5gc/go-upf/pull/80Issue Tracking
https://github.com/free5gc/free5gc/issues/730ExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2025-65561?

CVE-2025-65561 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in function LocalNode.Sess in free5GC 4.1.0 allowing attackers to cause a denial of service or other unspecified impacts via crafted header Local SEID to the PFCP Session Modif...

How severe is CVE-2025-65561?

CVE-2025-65561 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-2025-65561?

Check the references section above for vendor advisories and patch information. Affected products include: Free5Gc Free5Gc.