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Vulnerability record · CVE-2023-40730 · published 12 September 2023

CVE-2023-40730: Siemens qms automotive improper access control vulnerability

Siemens · Qms Automotive

A vulnerability has been identified in QMS Automotive (All versions < V12.39). The QMS.Mobile module of the affected application lacks sufficient authorization checks. This could allow an attacker to access confidential information, perform administrative functions, or lead to a denial-of-service condition.

8.8 CVSS 3.1 High EPSS 0.57% · top 54.9% CWE-284 · Improper access control
8.8CVSS 3.1 base score
0.57%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability has been identified in QMS Automotive (All versions < V12.39). The QMS.Mobile module of the affected application lacks sufficient authorization checks. This could allow an attacker to access confidential information, perform administrative functions, or lead to a denial-of-service condition.

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

Affected products

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

References

LinkTags
https://cert-portal.siemens.com/productcert/pdf/ssa-147266.pdf Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-147266.pdf Vendor Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2023-40730), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.