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MEDIUM · 5.3

CVE-2023-37012

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 `Initial UE Message` message missing a r...

Vulnerability 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 `Initial UE Message` message missing a required `PLMN Identity` field to repeatedly crash the MME, resulting in denial of service.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
Open5GsOpen5Gs<= 2.6.4

Related Weaknesses (CWE)

CWE-617

References

FAQ

What is CVE-2023-37012?

CVE-2023-37012 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 `Initial UE Message` message missing a r...

How severe is CVE-2023-37012?

CVE-2023-37012 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-37012?

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