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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…

High7.3EPSS 0.55%
Published
Updated
Reserved
Assigned by
mitre

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.

Timeline

  1. ID reserved

    By mitre

  2. · 19 months later

    Published

  3. · 1 day later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-37013, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1High7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVDNVD · Analyzed3.1High7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS (exploitation in 30 days)
0.55% · top 54% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.3.

Weakness

Affected products

  • n/a

    • affected n/a

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .