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Vulnerability record · CVE-2023-37015 · published 22 January 2025

CVE-2023-37015: Open5gs vulnerability

Open5gs · Open5gs

Open5GS MME versions <= 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 `Path Switch Request` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.

8.6 CVSS 3.1 High EPSS 0.78% · top 45.9% CWE-617 · CWE-617
8.6CVSS 3.1 base score
0.78%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

Open5GS MME versions <= 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 `Path Switch Request` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cellularsecurity.org/ransacked ExploitTechnical DescriptionThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-40129Open5gs out-of-bounds write vulnerabilityOpen5GS v2.6.4 is vulnerable to Buffer Overflow. via /lib/pfcp/context.c.EPSS 0.46%9.8CVE-2024-40130Open5gs out-of-bounds write vulnerabilityopen5gs v2.6.4 is vulnerable to Buffer Overflow. via /lib/core/abts.c.EPSS 0.64%9.8CVE-2021-28122Open5gs missing authentication for critical function vulnerabilityA request-validation issue was discovered in Open5GS 2.1.3 through 2.2.x before 2.2.1. The WebUI component allows an unauthenticated user to use a cr…EPSS 4.0%8.8CVE-2021-25863Open5gs improper authentication vulnerabilityOpen5GS 2.1.3 listens on 0.0.0.0:3000 and has a default password of 1423 for the admin account.EPSS 1.2%8.7CVE-2025-41068Open5gs vulnerabilityReachable Assertion vulnerability in Open5GS up to version 2.7.6 allows attackers with connectivity to the NRF to cause a denial of service. This is …EPSS 0.33%8.7CVE-2025-41067Open5gs vulnerabilityReachable Assertion vulnerability in Open5GS up to version 2.7.6 allows attackers with connectivity to the NRF to cause a denial of service. An SBI r…EPSS 0.40%8.6CVE-2024-24429Open5gs vulnerabilityA reachable assertion in the nas_eps_send_emm_to_esm function of Open5GS <= 2.6.4 allows attackers to cause a Denial of Service (DoS) via a crafted N…EPSS 0.56%8.6CVE-2024-34235Open5gs vulnerabilityOpen5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker …EPSS 0.78%

Source: NIST National Vulnerability Database (record CVE-2023-37015), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.