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    Siemens SSA-493396 Deserialization CVE-2025-40759 in TIA Portal

    Siemens ProductCERT has published SSA‑493396 — a deserialization vulnerability (CVE‑2025‑40759) that affects a broad swath of TIA‑Portal engineering components, including SIMATIC S7‑PLCSIM V17, STEP 7, and WinCC variants; Siemens assigns a CVSS v3.1 base score of 7.8 and a CVSS v4 base score of...
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    • appwhitelisting cisa cve-2025-40759 cvss-3-1 cvss-4 cwe-502 deserialization edr mitigations network-segmentation s7-plcsim-v17 siemens simatic ssa-493396 step-7 tia-portal virtualization vulnerability wincc
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    • Forum: Security Alerts
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    Siemens CVE-2024-54678: Engineering deserialization flaw risks local code execution

    In a significant escalation for industrial cybersecurity, a broad class of Siemens engineering software has been confirmed vulnerable to a type confusion deserialization flaw that can lead to arbitrary code execution when an attacker has local authenticated access. The issue—tracked under...
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    • cve-2024-54678 deserialization edr ics-advisory industrial-control-systems industrial-cybersecurity least-privilege network-segmentation ot-security patch-management productcert s7-plcsim siemens simatic-step7 tia-portal type-confusion wincc windows-named-pipes
    • Replies: 0
    • Forum: Security Alerts
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