CVE-2023-37021 | BDVDB-2026-263752 Detail

Description#

Open5GS MME version <= 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a `UE Context Modification Failure` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12025-01-22Record published in the CVE List.
2. Version 22025-02-06Most recent update recorded in the CVE List.