CVE-2023-37005

5.3 mediumEPSS 0.3%

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 Context Setup Failure` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.

Severity

CVSS 3.1

5.3 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-31)
CWE: CWE-617
Published: 2025-01-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

open5gs:open5gs

References

https://cellularsecurity.org/ransacked

Check your stack JSON