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THREATINT
PUBLISHED

CVE-2025-5935

Open5GS AMF/MME emm-sm.c common_register_state denial of service



Description

EN DE

A vulnerability was found in Open5GS up to 2.7.3. It has been declared as problematic. Affected by this vulnerability is the function common_register_state of the file src/mme/emm-sm.c of the component AMF/MME. The manipulation of the argument ran_ue_id leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 62cb99755243c9c38e4c060c5d8d0e158fe8cdd5. It is recommended to apply a patch to fix this issue.

In Open5GS bis 2.7.3 wurde eine problematische Schwachstelle ausgemacht. Dabei geht es um die Funktion common_register_state der Datei src/mme/emm-sm.c der Komponente AMF/MME. Mittels Manipulieren des Arguments ran_ue_id mit unbekannten Daten kann eine denial of service-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung. Der Patch wird als 62cb99755243c9c38e4c060c5d8d0e158fe8cdd5 bezeichnet. Als bestmögliche Massnahme wird Patching empfohlen.

Reserved 2025-06-09 | Published 2025-06-10 | Updated 2025-06-10 | Assigner VulDB


MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C

Problem types

Denial of Service

Timeline

2025-06-09:Advisory disclosed
2025-06-09:VulDB entry created
2025-06-10:VulDB entry last update

Credits

SQ0409 (VulDB User) reporter

References

vuldb.com/?id.311713 (VDB-311713 | Open5GS AMF/MME emm-sm.c common_register_state denial of service) vdb-entry technical-description

vuldb.com/?ctiid.311713 (VDB-311713 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.589354 (Submit #589354 | Open5GS <=2.7.3 Reachable Assertion) third-party-advisory

github.com/open5gs/open5gs/issues/3874 issue-tracking

github.com/open5gs/open5gs/issues/3874 issue-tracking

github.com/...3206/Problematic.handover.required.process.zip exploit

github.com/...ommit/62cb99755243c9c38e4c060c5d8d0e158fe8cdd5 patch

cve.org (CVE-2025-5935)

nvd.nist.gov (CVE-2025-5935)

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