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Fencer Vulns
high 7.3

CVE-2023-40729 json

A vulnerability has been identified in QMS Automotive (All versions < V12.39).

published 2023-09-12 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45283

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits
0
none known

Summary

A vulnerability has been identified in QMS Automotive (All versions < V12.39). The affected application lacks security control to prevent unencrypted communication without HTTPS. An attacker who managed to gain machine-in-the-middle position could manipulate, or steal confidential information.

Patch / fix

  • siemens qms_automotive 12.39

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-257-03 updated cvss 7.3

Siemans QMS Automotive

  • Siemens QMS Automotive <V12.39
    affected: fixed in V12.39

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
20 mo ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C
CNA 3.1 7.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
NVD 3.1 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

  • Siemens QMS Automotive

Classification

Weakness
  • CWE-319 Cleartext Transmission of Sensitive Information

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.