CVE-2024-56921 — HIGH (7.5)

Vulnerability Description

An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt of the Nausf_UEAuthentication_Authenticate response.

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
Open5Gs	Open5Gs	2.7.2

Related Weaknesses (CWE)

CWE-400

References

https://github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd858Patch
https://github.com/open5gs/open5gs/issues/3608ExploitIssue TrackingVendor Advisory

FAQ

What is CVE-2024-56921?

CVE-2024-56921 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt o...

How severe is CVE-2024-56921?

CVE-2024-56921 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-2024-56921?

Check the references section above for vendor advisories and patch information. Affected products include: Open5Gs Open5Gs.