CVE-2026-24349

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Summary

CVECVE-2026-24349
StatePUBLISHED
Assignersiemens
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-09 10:16:42 UTC
Updated2026-06-09 13:49:39 UTC
DescriptionA vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runtime V20 (All versions), SIMATIC WinCC Unified PC Runtime V21 (All versions < V21 Update 2). Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information.

Risk And Classification

Primary CVSS: v4.0 8.2 HIGH from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/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

EPSS: 0.000050000 probability, percentile 0.002930000 (date 2026-06-12)

Problem Types: CWE-313 | CWE-313 CWE-313: Cleartext Storage in a File or on Disk

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary8.2HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/C...
4.0CNADECLARED8.2HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
3.1[email protected]Primary7.1HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
3.1CNADECLARED7.1HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/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
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Siemens SIMATIC WinCC Unified PC Runtime V16 affected * custom Not specified
CNA Siemens SIMATIC WinCC Unified PC Runtime V17 affected * custom Not specified
CNA Siemens SIMATIC WinCC Unified PC Runtime V18 affected * custom Not specified
CNA Siemens SIMATIC WinCC Unified PC Runtime V19 affected * custom Not specified
CNA Siemens SIMATIC WinCC Unified PC Runtime V20 affected * custom Not specified
CNA Siemens SIMATIC WinCC Unified PC Runtime V21 affected V21 Update 2 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-063511.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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