CVE Catalog

CVE-2026-24349

HighCVSS 7.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.06%

0th percentile - higher than 0% of all known CVEs

Summary

A vulnerability in SIMATIC WinCC Unified PC Runtime (versions V16 through V21 before V21 Update 2) is due to insufficient protection of key material in the WinCC Certificate Manager, which could allow an attacker to extract sensitive information.

Risk Assessment

An attacker could access sensitive cryptographic keys, enabling impersonation of the system or interception of communications.

Recommendation

Update SIMATIC WinCC Unified PC Runtime to version V21 Update 2 or later, which includes a fix for key material protection.

Related vulnerabilities

Original NVD description (English source)

A 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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS