Is CVE-2023-37013 in the CISA KEV catalog?

No. CVE-2023-37013 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-37013?

CVE-2023-37013 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2023-37013?

CVE-2023-37013 has an EPSS score of 0.51% (39th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2023-37013

HIGH

7.3

CVSS v3

NVD

Description

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.

CWE-617

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.51%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

https://cellularsecurity.org/ransacked

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-22.