Siemens SIMATIC S7-PLCSIM
Affected products do not properly sanitize user-controllable input when parsing project files. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-40759US | — | — | ||
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), SIMATIC STEP 7 V19… | ||||
references
External citations — patches, advisories, analysis.
- SSA-493396: Deserialization Vulnerability in Siemens Engineering Platforms - CSAF Versionself
- SSA-493396: Deserialization Vulnerability in Siemens Engineering Platforms - HTML Versionself
- ICS Advisory ICSA-25-226-11 JSONself
- ICS Advisory ICSA-25-226-11 - Web Versionself
- Recommended Practicesexternal
- Recommended Practicesexternal
- Recommended Practicesexternal
- Recommended Practicesexternal
remediations (66)
- MitigationSIMATIC S7-PLCSIM V17
Only open projects from trusted sources.
- MitigationSIMATIC STEP 7 V17
Only open projects from trusted sources.
- MitigationSIMATIC STEP 7 V18
Only open projects from trusted sources.
- MitigationSIMATIC STEP 7 V19
Only open projects from trusted sources.
- MitigationSIMATIC STEP 7 V20
Only open projects from trusted sources.
- MitigationSIMATIC WinCC V17
Only open projects from trusted sources.
- MitigationSIMATIC WinCC V18
Only open projects from trusted sources.
- MitigationSIMATIC WinCC V19
Only open projects from trusted sources.
- MitigationSIMATIC WinCC V20
Only open projects from trusted sources.
- MitigationSIMOCODE ES V17
Only open projects from trusted sources.
- MitigationSIMOCODE ES V18
Only open projects from trusted sources.
- MitigationSIMOCODE ES V19
Only open projects from trusted sources.
- MitigationSIMOCODE ES V20
Only open projects from trusted sources.
- MitigationSIMOTION SCOUT TIA V5.4
Only open projects from trusted sources.
- MitigationSIMOTION SCOUT TIA V5.5
Only open projects from trusted sources.
- MitigationSIMOTION SCOUT TIA V5.6
Only open projects from trusted sources.
- MitigationSIMOTION SCOUT TIA V5.7
Only open projects from trusted sources.
- MitigationSINAMICS Startdrive V17
Only open projects from trusted sources.
- MitigationSINAMICS Startdrive V18
Only open projects from trusted sources.
- MitigationSINAMICS Startdrive V19
Only open projects from trusted sources.
- MitigationSINAMICS Startdrive V20
Only open projects from trusted sources.
- MitigationSIRIUS Safety ES V17 (TIA Portal)
Only open projects from trusted sources.
- MitigationSIRIUS Safety ES V18 (TIA Portal)
Only open projects from trusted sources.
- MitigationSIRIUS Safety ES V19 (TIA Portal)
Only open projects from trusted sources.
- MitigationSIRIUS Safety ES V20 (TIA Portal)
Only open projects from trusted sources.
- MitigationSIRIUS Soft Starter ES V17 (TIA Portal)
Only open projects from trusted sources.
- MitigationSIRIUS Soft Starter ES V18 (TIA Portal)
Only open projects from trusted sources.
- MitigationSIRIUS Soft Starter ES V19 (TIA Portal)
Only open projects from trusted sources.
- MitigationSIRIUS Soft Starter ES V20 (TIA Portal)
Only open projects from trusted sources.
- MitigationTIA Portal Cloud V17
Only open projects from trusted sources.
- MitigationTIA Portal Cloud V18
Only open projects from trusted sources.
- MitigationTIA Portal Cloud V19
Only open projects from trusted sources.
- MitigationTIA Portal Cloud V20
Only open projects from trusted sources.
- No fix plannedSIMATIC S7-PLCSIM V17
Currently no fix is planned
- No fix availableSIMATIC STEP 7 V18
Currently no fix is available
- No fix availableSIMATIC WinCC V18
Currently no fix is available
- No fix availableSIMOCODE ES V17
Currently no fix is available
- No fix availableSIMOCODE ES V18
Currently no fix is available
- No fix availableSIMOCODE ES V19
Currently no fix is available
- No fix availableSIMOCODE ES V20
Currently no fix is available
- No fix availableSIMOTION SCOUT TIA V5.4
Currently no fix is available
- No fix availableSIMOTION SCOUT TIA V5.5
Currently no fix is available
- No fix availableSIMOTION SCOUT TIA V5.7
Currently no fix is available
- No fix availableSINAMICS Startdrive V17
Currently no fix is available
- No fix availableSINAMICS Startdrive V18
Currently no fix is available
- No fix availableSINAMICS Startdrive V19
Currently no fix is available
- No fix availableSINAMICS Startdrive V20
Currently no fix is available
- No fix availableSIRIUS Safety ES V17 (TIA Portal)
Currently no fix is available
- No fix availableSIRIUS Safety ES V18 (TIA Portal)
Currently no fix is available
- No fix availableSIRIUS Safety ES V19 (TIA Portal)
Currently no fix is available
- No fix availableSIRIUS Safety ES V20 (TIA Portal)
Currently no fix is available
- No fix availableSIRIUS Soft Starter ES V17 (TIA Portal)
Currently no fix is available
- No fix availableSIRIUS Soft Starter ES V18 (TIA Portal)
Currently no fix is available
- No fix availableSIRIUS Soft Starter ES V19 (TIA Portal)
Currently no fix is available
- No fix availableSIRIUS Soft Starter ES V20 (TIA Portal)
Currently no fix is available
- No fix availableTIA Portal Cloud V17
Currently no fix is available
- No fix availableTIA Portal Cloud V18
Currently no fix is available
- FixedSIMATIC STEP 7 V17
Update to V17 Update 9 or later version
https://support.industry.siemens.com/cs/ww/en/view/109784441/ - FixedSIMATIC STEP 7 V19
Update to V19 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109925643/ - FixedSIMATIC STEP 7 V20
Update to V20 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109963851/ - FixedSIMATIC WinCC V17
Update to V17 Update 9 or later version
https://support.industry.siemens.com/cs/ww/en/view/109784441/ - FixedSIMATIC WinCC V19
Update to V19 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109925643/ - FixedSIMATIC WinCC V20
Update to V20 Update 4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109963851/ - FixedSIMOTION SCOUT TIA V5.6
Update to V5.6 SP1 HF7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109989067/ - FixedTIA Portal Cloud V19
Fixed with V5.2.1.1, no user action required
- FixedTIA Portal Cloud V20
Fixed with V5.2.2.2, no user action required
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