Summary
Questa and ModelSim (incl. OEM Editions) are affected by multiple vulnerabilities that could allow a local attacker to inject arbitrary code and escalate privileges.
Siemens has released new versions for the affected products and recommends to update to the latest versions.
Vulnerabilities 3
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Medium 6.7
A vulnerability has been identified in ModelSim (All versions < V2024.3), Questa (All versions < V2024.3). vish2.exe in…
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Medium 6.7
A vulnerability has been identified in ModelSim (All versions < V2024.3), Questa (All versions < V2024.3). gdb.exe in a…
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Medium 6.7
A vulnerability has been identified in ModelSim (All versions < V2025.2), Questa (All versions < V2025.2). vsimk.exe in…
Revision history
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#2
Revision - Fixing typos
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#1
Publication Date
References
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SSA-426509: Multiple Local Code Execution Vulnerabilities in Questa and ModelSim Before V2024.3 - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-426509.html
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ICS Advisory ICSA-24-284-05 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-24-284-05
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Recommended Practices
https://www.cisa.gov/uscert/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://us-cert.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/uscert/ics/tips/ICS-TIP-12-146-01B