CVE-2025-1893: Open5GS AMF gmm-sm.c gmm_state_authentication denial of service
A vulnerability was found in Open5GS up to 2.7.2. It has been declared as problematic. Affected by this vulnerability is the function gmmstateauthentication of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. This vulnerability allows a single UE to crash the AMF, resulting in the complete loss of mobility and session management services and causing a network-wide outage. All registered UEs will lose connectivity, and new registrations will be blocked until the AMF is restarted, leading to a high availability impact. The exploit has been disclosed to the public and may be used. The patch is named e31e9965f00d9c744a7f728497cb4f3e97744ee8. It is recommended to apply a patch to fix this issue.
Affected Software
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Event History
Frequently Asked Questions
What is the severity of CVE-2025-1893?
CVE-2025-1893 has been declared as a problematic vulnerability that can lead to a denial of service.
How do I fix CVE-2025-1893?
To fix CVE-2025-1893, you should upgrade the Open5GS UDM Subscriber Data Management to version 2.7.3 or later.
Which software versions are affected by CVE-2025-1893?
CVE-2025-1893 affects Open5GS UDM Subscriber Data Management versions up to and including 2.7.2.
What component is impacted by CVE-2025-1893?
CVE-2025-1893 specifically impacts the gmm_state_authentication function in the src/amf/gmm-sm.c file.
What type of attack does CVE-2025-1893 enable?
CVE-2025-1893 enables attackers to execute a denial of service attack against the Open5GS service.