CVE-2025-1893 — MEDIUM (4.3)

Q: How severe is CVE-2025-1893?

CVE-2025-1893 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-1893?

Check the references section above for vendor advisories and patch information. Affected products include: Open5Gs Open5Gs.

Vulnerability Description

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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Open5Gs	Open5Gs	<= 2.7.2

Related Weaknesses (CWE)

CWE-404

References

https://github.com/open5gs/open5gs/commit/e31e9965f00d9c744a7f728497cb4f3e97744ePatch
https://github.com/open5gs/open5gs/issues/3707ExploitIssue Tracking
https://github.com/open5gs/open5gs/issues/3707#issue-2833194192ExploitIssue Tracking
https://github.com/open5gs/open5gs/issues/3707#issuecomment-2639620554ExploitIssue Tracking
https://vuldb.com/?ctiid.298411Permissions Required
https://vuldb.com/?id.298411ExploitThird Party Advisory
https://vuldb.com/?submit.505952Third Party Advisory
https://github.com/open5gs/open5gs/issues/3707#issue-2833194192ExploitIssue Tracking

FAQ

What is CVE-2025-1893?

CVE-2025-1893 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 compo...

How severe is CVE-2025-1893?

CVE-2025-1893 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-1893?

Check the references section above for vendor advisories and patch information. Affected products include: Open5Gs Open5Gs.