8.8

CVE-2023-40730: siemens qms_automotive Improper Access Control

CVSS: 8.8v3.1HighModified
Published 12-09-2023Last modified 27-02-2025
Open JSON

Vulnerability summary

CVE-2023-40730 is a high (CVSS 8.8) Improper Access Control vulnerability in siemens qms_automotive. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46.2% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.57%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-09-2023
    PublishedVulnerability first disclosed.
  2. 27-02-2025
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.57%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

0.00 pp

From 0.57% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.57%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Siemens1 product

1 vendor · 1 product

References

1 links