How severe is CVE-2023-40725?

CVE-2023-40725 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-40725 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40725?

CVE-2023-40725 affects Siemens Qms Automotive. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40725?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-40725 published?

CVE-2023-40725 was published on 2023-09-12 and last updated on 2026-06-17.

CVE-2023-40725

CVE-2023-40725 is a medium-severity vulnerability in Siemens Qms Automotive with a CVSS 3.x base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-209.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-209
Affected product: Siemens Qms Automotive
Published: 2023-09-12
Last modified: 2026-06-17

Description

A vulnerability has been identified in QMS Automotive (All versions < V12.39). The affected application returns inconsistent error messages in response to invalid user credentials during login session. This allows an attacker to enumerate usernames, and identify valid usernames.

Frequently asked questions

What is CVE-2023-40725?: A vulnerability has been identified in QMS Automotive (All versions < V12.39). The affected application returns inconsistent error messages in response to invalid user credentials during login session. This allows an attacker to enumerate usernames, and identify valid usernames.
How severe is CVE-2023-40725?: CVE-2023-40725 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-40725 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40725?: CVE-2023-40725 affects Siemens Qms Automotive. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40725?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40725 published?: CVE-2023-40725 was published on 2023-09-12 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:siemens:qms_automotive:*:*:*:*:*:*:*:*

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