Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send an `E-RAB Modification Indication` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
History

Tue, 22 Apr 2025 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Open5gs
Open5gs open5gs
CPEs cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Vendors & Products Open5gs
Open5gs open5gs

Tue, 28 Jan 2025 21:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-617
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 22 Jan 2025 14:45:00 +0000

Type Values Removed Values Added
Description Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send an `E-RAB Modification Indication` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-01-28T21:06:38.495Z

Reserved: 2023-06-28T00:00:00.000Z

Link: CVE-2023-37002

cve-icon Vulnrichment

Updated: 2025-01-28T21:06:32.716Z

cve-icon NVD

Status : Analyzed

Published: 2025-01-22T15:15:09.757

Modified: 2025-04-22T17:14:26.093

Link: CVE-2023-37002

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.