Improper signature verification in Siemens QMS Automotive
Priority LOW 35CWE-347Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-347.
Summary
A vulnerability has been identified in QMS Automotive (All versions < V12.39). The QMS.Mobile module of the affected application uses weak outdated application signing mechanism. This could allow an attacker to tamper the application code.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00132 2nd percentileScored 2026-11-07
Fix Fixed QMS Automotive (Siemens): V12.39
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA QMS Automotive (Siemens) Fixed in V12.39
Timeline
- 2026-10-02 Threatist record created from CVE-2023-40727
- 2026-10-03 Alias added: GHSA-32xp-f3ph-fppf
References
More Siemens Qms Automotive vulnerabilities
- TI-2021-08882 A vulnerability has been identified in Opcenter Quality (All versions < V12.2), QMS… CVSS 3.1CRITICAL 9.8
- TI-2023-21509 A vulnerability has been identified in QMS Automotive (All versions < V12.39). CVSS 3.1HIGH 8.8
- TI-2022-21600 Cleartext storage of sensitive information in Siemens QMS Automotive CVSS 3.1CRITICAL 9.1
- TI-2023-21514 Unrestricted file upload in Siemens QMS Automotive CVSS 3.1HIGH 8.8
- TI-2023-21513 Improper access control in Siemens QMS Automotive CVSS 3.1HIGH 8.8
- TI-2023-21511 Insecure storage of sensitive information in Siemens QMS Automotive CVSS 3.1HIGH 7.8
Sources
- CVE-2023-40727 · CVE Program
- CVE-2023-40727 · NVD
- FIRST EPSS
- GHSA-32xp-f3ph-fppf · GitHub Advisory Database · CC BY 4.0
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