SW
Product
SIMATIC WinCC Unified PC Runtime V18
2
CVEs
0
On KEV
7.3
Max CVSS
0
New 30D
VulnerabilityHigh
Siemens WinCC Certificate Manager
View CSAF
Summary
WinCC Certificate Manager insufficiently protects key material that could allow an attacker to extract sensitive information. Siemens has released a new version for SIMATIC WinCC Unified PC Runtime V21 and recommends to update to the latest version. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.
The following versions of Siemens WinCC Certificate Manager are affected:
SIMATIC WinCC Unified PC Runtime V16 vers:all/*
SIMATIC WinCC Unified PC Runtime V17 vers:all/*
SIMATIC WinCC Unified PC Runtime V18 vers:all/*
SIMATIC WinCC Unified PC Runtime V19 vers:all/*
SIMATIC WinCC Unified PC Runtime V20 vers:all/*
SIMATIC WinCC Unified PC Runtime V21 vers:intdot/<21.0.2
CVSS
Vendor
Equipment
Vulnerabilities
v3 7.1
Siemens
Siemens WinCC Certificate Manager
Cleartext Storage in a File or on Disk
Background
Critical Infrastructure Sectors: Critical Manufacturing, Transportation Systems, Energy, Healthcare and Public Health, Financial Services, Government Services and Facilities
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Germany
Vulnerabilities
Expand All +
CVE-2026-24349
Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information.
View CVE Details
Affected Products
Siemens WinCC Cer...
Jun 23, 2026·CISA Advisories
