CVE-2023-32736: Siemens SIMATIC s7-Plcsim
High severity, CVSS 7.3. EPSS: 0.2% chance of exploitation in the next 30 days.
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 8), SIMATIC STEP 7 Safety V18 (All versions < V18 Update 5), SIMATIC STEP 7 V16 (All versions), SIMATIC STEP 7 V17 (All versions < V17 Update 8), SIMATIC STEP 7 V18 (All versions < V18 Update 5), SIMATIC WinCC Unified V16 (All versions), SIMATIC WinCC Unified V17 (All versions < V17 Update 8), SIMATIC WinCC Unified V18 (All versions < V18 SP5), SIMATIC WinCC V16 (All versions), SIMATIC WinCC V17 (All versions < V17 Update 8), SIMATIC WinCC V18 (All versions < V18 SP5), SIMOCODE ES V16 (All versions), SIMOCODE ES V17 (All versions < V17 Update 8), SIMOCODE ES V18 (All versions), SIMOTION SCOUT TIA V5.4 SP1 (All versions), SIMOTION SCOUT TIA V5.4 SP3 (All versions), SIMOTION SCOUT TIA V5.5 SP1 (All versions), SINAMICS Startdrive V16 (All versions), SINAMICS Startdrive V17 (All versions), SINAMICS Startdrive V18 (All versions), SIRIUS Safety ES V17 (TIA Portal) (All versions < V17 Update 8), SIRIUS Safety ES V18 (TIA Portal) (All versions), SIRIUS Soft Starter ES V17 (TIA Portal) (All versions < V17 Update 8), SIRIUS Soft Starter ES V18 (TIA Portal) (All versions), TIA Portal Cloud V16 (All versions), TIA Portal Cloud V17 (All versions < V4.6.0.1), TIA Portal Cloud V18 (All versions < V4.6.1.0). Affected products do not properly sanitize user-controllable input when parsing user settings. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application.
Affected products
- Siemens SIMATIC s7-Plcsim: from 16, before 17 (fixed in 17); from 17
- Siemens SIMATIC s7-Plcsim v16: any version
- Siemens SIMATIC s7-Plcsim v17: any version
- Siemens SIMATIC Step 7: from 16, before 17 (fixed in 17); from 17, before 17_update8 (fixed in 17_update8); from 18, before 18_update5 (fixed in 18_update5)
- Siemens SIMATIC Step 7 Safety v16: any version
- Siemens SIMATIC Step 7 Safety v17: before V17 Update 8 (fixed in V17 Update 8)
- Siemens SIMATIC Step 7 Safety v18: before V18 Update 5 (fixed in V18 Update 5)
- Siemens SIMATIC Step 7 v16: any version
- Siemens SIMATIC Step 7 v17: before V17 Update 8 (fixed in V17 Update 8)
- Siemens SIMATIC Step 7 v18: before V18 Update 5 (fixed in V18 Update 5)
- Siemens SIMATIC Wincc: from 16, before 17 (fixed in 17); from 17, before 17_update8 (fixed in 17_update8); from 18, before 18_update5 (fixed in 18_update5)
- Siemens SIMATIC Wincc Unified: from 16, before 17 (fixed in 17); from 17, before 17_update8 (fixed in 17_update8); from 18, before 18_update5 (fixed in 18_update5)
- Siemens SIMATIC Wincc Unified v16: any version
- Siemens SIMATIC Wincc Unified v17: before V17 Update 8 (fixed in V17 Update 8)
- Siemens SIMATIC Wincc Unified v18: before V18 SP5 (fixed in V18 SP5)
- Siemens SIMATIC Wincc v16: any version
- Siemens SIMATIC Wincc v17: before V17 Update 8 (fixed in V17 Update 8)
- Siemens SIMATIC Wincc v18: before V18 SP5 (fixed in V18 SP5)
- Siemens Simocode Es: from 16, before 17 (fixed in 17); from 17, before 17_update8 (fixed in 17_update8); from 18
- Siemens Simocode Es v16: any version
- Siemens Simocode Es v17: before V17 Update 8 (fixed in V17 Update 8)
- Siemens Simocode Es v18: any version
- Siemens Simotion Scout Tia: from v5.4sp1; from v5.4sp3; from v5.5sp1
- Siemens Simotion Scout Tia v5.4 SP1: any version
- Siemens Simotion Scout Tia v5.4 SP3: any version
- and 14 more
Published 2024-11-12. Last modified 2026-06-17.