Resource exhaustion in Open5gs
CVE-2024-56921
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Open5gs — versions 2.7.2
Weakness classification (CWE)
References
- github.com/open5gs/open5gs/issues/3608 (Exploit, Issue Tracking, Vendor Advisory)
- github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd85840 (Patch)
Frequently asked questions
- What is CVE-2024-56921?
- CVE-2024-56921 is a high-severity vulnerability in Open5gs, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-02-03.
- How severe is CVE-2024-56921?
- High severity. CVSS v3 base score is 7.5 out of 10.