High severity · published Feb 3, 2025
CVE-2024-56921
An issue was discovered in Open5gs v2.7.2
7.5
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5gs · Open5gs
2.7.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-56921
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-56921
Patch
https://github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd85840
Exploit
https://github.com/open5gs/open5gs/issues/3608
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