Summary
Mendix SAML module contains an authentication bypass vulnerability that could allow an unauthenticated remote attacker to gain unauthorized access by replaying a valid SAML assertion in IdP-initiated authentication flows.
Siemens has released new versions for the affected products and recommends to update to the latest versions.
Vulnerabilities 1
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Medium 6.8
A vulnerability has been identified in Mendix SAML (Mendix 10 compatible) (All versions < V4.2.4), Mendix SAML (Mendix …
Revision history
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#2
Initial CISA Republication of Siemens ProductCERT SSA-137528 advisory
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#1
Publication Date
References
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SSA-137528: Authentication Bypass Vulnerability in Mendix SAML module - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-137528.html
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ICS Advisory icsa-26-302-01 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-26-302-01
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Recommended Practices
https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01
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Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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Recommended Practices
https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b