How severe is CVE-2025-40774?

CVE-2025-40774 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-40774 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-40774?

CVE-2025-40774 affects Siemens Sipass Integrated. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-40774?

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

Does CVE-2025-40774 have an EU (EUVD) identifier?

Yes. CVE-2025-40774 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34157.

When was CVE-2025-40774 published?

CVE-2025-40774 was published on 2025-10-14 and last updated on 2026-06-17.

CVE-2025-40774

CVE-2025-40774 is a medium-severity vulnerability in Siemens Sipass Integrated with a CVSS 3.x base score of 4.4. 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-257.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v4: 6.7
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34157
Weakness: CWE-257
Affected product: Siemens Sipass Integrated
Published: 2025-10-14
Last modified: 2026-06-17

Description

A vulnerability has been identified in SiPass integrated (All versions < V3.0). Affected server applications store user passwords encrypted in its database. Decryption keys are accessible to users with administrative privileges, allowing them to recover passwords. Successful exploitation of this vulnerability allows an attacker to obtain and use valid user passwords. This can lead to unauthorized access to user accounts, data breaches, and potential system compromise.

Frequently asked questions

What is CVE-2025-40774?: A vulnerability has been identified in SiPass integrated (All versions < V3.0). Affected server applications store user passwords encrypted in its database. Decryption keys are accessible to users with administrative privileges, allowing them to recover passwords. Successful exploitation of this vulnerability allows an attacker to obtain and use valid user passwords. This can lead to unauthorized access to user accounts, data breaches, and potential system compromise.
How severe is CVE-2025-40774?: CVE-2025-40774 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-40774 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-40774?: CVE-2025-40774 affects Siemens Sipass Integrated. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-40774?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-40774 have an EU (EUVD) identifier?: Yes. CVE-2025-40774 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34157.
When was CVE-2025-40774 published?: CVE-2025-40774 was published on 2025-10-14 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-599451.html

Affected products (1)

cpe:2.3:a:siemens:sipass_integrated:*:*:*:*:*:*:*:*

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