What is CVE-2023-40727?

CVE-2023-40727 is a high-severity vulnerability in Siemens Qms Automotive, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.8/10. Published 2023-09-12.

How severe is CVE-2023-40727?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2023-40727 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Siemens Qms Automotive

CVE-2023-40727

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 The QMS.Mobile module of the affected application uses weak outdated application signing mechanism.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.

EPSS: 0.000 (10.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C.

Affected products

Siemens Qms Automotive — versions All versions < V12.39

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

cert-portal.siemens.com/productcert/pdf/ssa-147266.pdf

Frequently asked questions

What is CVE-2023-40727?: CVE-2023-40727 is a high-severity vulnerability in Siemens Qms Automotive, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.8/10. Published 2023-09-12.
How severe is CVE-2023-40727?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-40727 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.