CVE-2024-56921

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/open5gs/open5gs/issues/3608 issue tracking vendor advisory exploit
https://github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd85840 patch

Frequently Asked Questions

What is the severity of CVE-2024-56921?
CVE-2024-56921 has been scored as a high severity vulnerability.
How to fix CVE-2024-56921?
To fix CVE-2024-56921, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-56921 being actively exploited in the wild?
It is possible that CVE-2024-56921 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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