CVE-2023-40730

Name: CVE-2023-40730
Creator: NVD / NIST
Published: 2023-09-12T10:15:29.403+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2023-40730 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability has been identified in QMS Automotive (All versions < V12.39). The QMS.Mobile module of the affected application lacks sufficient authorization checks. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.47%

36.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Siemens	Qms Automotive	< 12.39

References

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

Timeline

Published: Sep 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-40730?

How severe is CVE-2023-40730?

CVE-2023-40730 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40730?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-40730?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST