Vulnerability in Open5gs

CVE-2023-37013

Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a sufficiently large ASN.1 packet over the S1AP interface. An attacker may repeatedly send such an oversized packet to cause the `ogs_sctp_recvmsg` routine to reach an unexpected network state and crash, leading to denial of service.

EPSS: 0.005 (40.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-37013?
CVE-2023-37013 is a high-severity vulnerability in Open5gs, classified under Reachable Assertion. CVSS score: 7.3/10. Published 2025-01-22.
How severe is CVE-2023-37013?
High severity. CVSS v3 base score is 7.3 out of 10.