Vulnerability in Open5gs
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.009 (57.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000
Affected products
- Open5gs
- Open5gs — versions 2.7.0, 2.7.1, 2.7.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (Exploit, technical-description, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required)
- vuldb.com/ (Third Party Advisory, third-party-advisory)
- github.com/open5gs/open5gs/issues/3707 (issue-tracking, Exploit, Issue Tracking)
- github.com/open5gs/open5gs/issues/3707 (issue-tracking, Exploit, Issue Tracking)
- github.com/open5gs/open5gs/issues/3707 (issue-tracking, Exploit, exploit, Issue Tracking)
- github.com/open5gs/open5gs/commit/e31e9965f00d9c744a7f728497cb4f3e97744ee8 (Patch, patch)
Frequently asked questions
- What is CVE-2025-1893?
- CVE-2025-1893 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2025-03-04.
- How severe is CVE-2025-1893?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2025-1893 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.