CVE-2025-40759

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-40759
StatePUBLISHED
Assignersiemens
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-08-12 12:15:36 UTC
Updated2026-10-13 10:17:13 UTC
DescriptionA 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 < V20 Update 4), SIMATIC WinCC V17 (All versions < V17 Update 9), SIMATIC WinCC V18 (All versions < V18 Update 6), SIMATIC WinCC V19 (All versions < V19 Update 4), SIMATIC WinCC V20 (All versions < V20 Update 4), SIMOCODE ES V17 (All versions), SIMOCODE ES V18 (All versions), SIMOCODE ES V19 (All versions), SIMOCODE ES V20 (All versions), SIMOTION SCOUT TIA V5.4 (All versions), SIMOTION SCOUT TIA V5.5 (All versions), SIMOTION SCOUT TIA V5.6 (All versions < V5.6 SP1 HF7), SIMOTION SCOUT TIA V5.7 (All versions), SINAMICS Startdrive V17 (All versions), SINAMICS Startdrive V18 (All versions), SINAMICS Startdrive V19 (All versions), SINAMICS Startdrive V20 (All versions), SIRIUS Safety ES V17 (TIA Portal) (All versions), SIRIUS Safety ES V18 (TIA Portal) (All versions), SIRIUS Safety ES V19 (TIA Portal) (All versions), SIRIUS Safety ES V20 (TIA Portal) (All versions), SIRIUS Soft Starter ES V17 (TIA Portal) (All versions), SIRIUS Soft Starter ES V18 (TIA Portal) (All versions), SIRIUS Soft Starter ES V19 (TIA Portal) (All versions), SIRIUS Soft Starter ES V20 (TIA Portal) (All versions), TIA Portal Cloud V17 (All versions), TIA Portal Cloud V18 (All versions), TIA Portal Cloud V19 (All versions < V5.2.1.1), TIA Portal Cloud V20 (All versions < V5.2.2.2). Affected products do not properly sanitize stored security properties when parsing project files. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application.

Risk And Classification

Primary CVSS: v4.0 8.5 HIGH from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-502 | CWE-502 CWE-502: Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary8.5HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNADECLARED8.5HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.1[email protected]Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Siemens SIMATIC S7-PLCSIM V17 affected * custom Not specified
CNA Siemens SIMATIC STEP 7 V17 affected V17 Update 9 custom Not specified
CNA Siemens SIMATIC STEP 7 V18 affected V18 Update 6 custom Not specified
CNA Siemens SIMATIC STEP 7 V19 affected V19 Update 4 custom Not specified
CNA Siemens SIMATIC STEP 7 V20 affected V20 Update 4 custom Not specified
CNA Siemens SIMATIC WinCC V17 affected V17 Update 9 custom Not specified
CNA Siemens SIMATIC WinCC V18 affected V18 Update 6 custom Not specified
CNA Siemens SIMATIC WinCC V19 affected V19 Update 4 custom Not specified
CNA Siemens SIMATIC WinCC V20 affected V20 Update 4 custom Not specified
CNA Siemens SIMOCODE ES V17 affected * custom Not specified
CNA Siemens SIMOCODE ES V18 affected * custom Not specified
CNA Siemens SIMOCODE ES V19 affected * custom Not specified
CNA Siemens SIMOCODE ES V20 affected * custom Not specified
CNA Siemens SIMOTION SCOUT TIA V5.4 affected * custom Not specified
CNA Siemens SIMOTION SCOUT TIA V5.5 affected * custom Not specified
CNA Siemens SIMOTION SCOUT TIA V5.6 affected V5.6 SP1 HF7 custom Not specified
CNA Siemens SIMOTION SCOUT TIA V5.7 affected * custom Not specified
CNA Siemens SINAMICS Startdrive V17 affected * custom Not specified
CNA Siemens SINAMICS Startdrive V18 affected * custom Not specified
CNA Siemens SINAMICS Startdrive V19 affected * custom Not specified
CNA Siemens SINAMICS Startdrive V20 affected * custom Not specified
CNA Siemens SIRIUS Safety ES V17 TIA Portal affected * custom Not specified
CNA Siemens SIRIUS Safety ES V18 TIA Portal affected * custom Not specified
CNA Siemens SIRIUS Safety ES V19 TIA Portal affected * custom Not specified
CNA Siemens SIRIUS Safety ES V20 TIA Portal affected * custom Not specified
CNA Siemens SIRIUS Soft Starter ES V17 TIA Portal affected * custom Not specified
CNA Siemens SIRIUS Soft Starter ES V18 TIA Portal affected * custom Not specified
CNA Siemens SIRIUS Soft Starter ES V19 TIA Portal affected * custom Not specified
CNA Siemens SIRIUS Soft Starter ES V20 TIA Portal affected * custom Not specified
CNA Siemens TIA Portal Cloud V17 affected * custom Not specified
CNA Siemens TIA Portal Cloud V18 affected * custom Not specified
CNA Siemens TIA Portal Cloud V19 affected V5.2.1.1 custom Not specified
CNA Siemens TIA Portal Cloud V20 affected V5.2.2.2 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-493396.html [email protected] cert-portal.siemens.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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