VulnerabilityAnalyzed
CVE-2024-56921
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.
HIGH 7.5EPSS 0.48%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.48% probability · 40th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- open5gs/open5gs
- Source
- cve@mitre.org
References
- https://github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd85840Patch
- https://github.com/open5gs/open5gs/issues/3608Exploit, Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.