SIMATIC STEP 7 V19 vulnerabilities

4 known vulnerabilities in SIMATIC STEP 7 V19 from Siemens. 4 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.8 High severity

  SIMATIC S7-PLCSIM V17: Deserialization of Untrusted Data

  CVE-2025-40759Aug 12, 2025Siemens

  A vulnerability has been identified in SIMATIC S7-PLCSIM V17 (All versions), SIMATIC STEP 7 V17 (All versions < V17 Update 9), SIMATIC STEP 7 V18 (All versions < V18 Update 6), SIMATIC STEP 7 V19 (All versions < V19 Update 4), SIMATIC STEP 7 V20 (All versions

• 8.2 High severity

  SIMATIC PCS neo V4.1: Deserialization of Untrusted Data

  CVE-2024-54678Aug 12, 2025Siemens

  A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions < V6.0 SP1 Update 1), SIMATIC S7-PLCSIM V17 (All versions), SIMATIC STEP 7 V17 (All versions < V17 Update 9), SI

• 7.3 High severity

  A vulnerability has been identified in SIMATIC S7-PLCSIM V17 (All versions), SIMATIC S7-PLCSIM…

  CVE-2024-52051Dec 10, 2024Siemens

  A vulnerability has been identified in SIMATIC S7-PLCSIM V17 (All versions), SIMATIC S7-PLCSIM V18 (All versions), SIMATIC STEP 7 Safety V17 (All versions < V17 Update 9), SIMATIC STEP 7 Safety V18 (All versions < V18 Update 6), SIMATIC STEP 7 Safety V19 (All

• 7.8 High severity

  SIMATIC S7-PLCSIM V16: Deserialization of Untrusted Data

  CVE-2024-49849Dec 10, 2024Siemens

  A vulnerability has been identified in SIMATIC S7-PLCSIM V16 (All versions), SIMATIC S7-PLCSIM V17 (All versions), SIMATIC STEP 7 Safety V16 (All versions), SIMATIC STEP 7 Safety V17 (All versions < V17 Update 9), SIMATIC STEP 7 Safety V18 (All versions < V18