CVE-2023-37011

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 a `Handover Required` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.

CVSS v3.1

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

EPSS

0.49% chance of exploitation in the next 30 days, 40th percentile

Published

2025-01-22

Updated

2025-01-27

Proof-of-concept exploits (1)

• https://cellularsecurity.org/ransacked

References

• CVE Record
• NVD entry

Related

• CVE-2023-37010
• CVE-2023-37012
• CVE-2023-37009
• CVE-2023-37013
• CVE-2023-37008
• CVE-2023-37014