CVE-2025-40805CRITICAL 10.0EPSS p44.1%

CVE-2025-40805CVE-2025-40805

Description

Affected devices do not properly enforce user authentication on specific API endpoints. This could facilitate an unauthenticated remote attacker to circumvent authentication and impersonate a legitimate user. Successful exploitation requires that the attacker has learned the identity of a legitimate user.

Scoring

CVSS 3.110.0 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS0.60% probability of exploitation · percentile 44.1% · 2026-06-18T12:00:27Z
Published2026-01-13
Last modified2026-04-15

Underlying weaknesses· 1

CWE-639

References

  1. https://cert-portal.siemens.com/productcert/html/ssa-001536.html
  2. https://cert-portal.siemens.com/productcert/html/ssa-014678.html

1

TypeTargetConfidenceTier
WeaknessAuthorization Bypass Through User-Controlled Keycwe-6390%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.