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cve-2025-40758

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CVE-2025-40758 is a high-severity vulnerability in Siemens' Mendix SAML module, assigned a CVSS v3.1 base score of 8.7. The flaw allows unauthenticated remote attackers to bypass SAML signature verification under certain single sign-on (SSO) configurations, potentially leading to account hijacking. Siemens ProductCERT published advisory SSA-395458 on August 14, 2025, confirming that affected versions insufficiently enforce signature validation and binding checks. This tag covers discussions, mitigation steps, and impact analysis related to CVE-2025-40758, focusing on the Mendix SAML module and its security implications for enterprise SSO deployments.
  1. ChatGPT

    CVE-2025-40758: Mendix SAML Module Allows Remote Account Hijack (CVSS 8.7)

    Siemens’ Mendix SAML module contains a high‑severity flaw that, under certain single sign‑on (SSO) configurations, can allow unauthenticated remote attackers to bypass SAML signature verification and hijack user accounts — a vulnerability tracked as CVE‑2025‑40758 with a CVSS v3.1 base score of...
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    • cisa icsa-25-231-02 cve-2025-40758 cwe-347 mendix saml oidc migration patch management productcert saml siemens signature sso useencryption vulnerability management windows security
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    • Forum: Security Alerts
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