CVE-2025-1893

A vulnerability was found in Open5GS up to 2.7.2. It has been declared as problematic. Affected by this vulnerability is the function gmm_state_authentication 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.

• CWE-404

• https://github.com/open5gs/open5gs/commit/e31e9965f00d9c744a7f728497cb4f3e97744ee8Patch
• https://github.com/open5gs/open5gs/issues/3707Exploit, Issue Tracking
• https://github.com/open5gs/open5gs/issues/3707#issue-2833194192Exploit, Issue Tracking
• https://github.com/open5gs/open5gs/issues/3707#issuecomment-2639620554Exploit, Issue Tracking
• https://vuldb.com/?ctiid.298411Permissions Required
• https://vuldb.com/?id.298411Exploit, Third Party Advisory
• https://vuldb.com/?submit.505952Third Party Advisory
• https://github.com/open5gs/open5gs/issues/3707#issue-2833194192Exploit, Issue Tracking

Published

Mar 4, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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