CVE-2023-37021
Open5GS MME version
Original description
The description as published by the source.
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.
References
- advisory github.com
- advisory nvd.nist.gov
- web cellularsecurity.org