CVE-2026-24349

State: Published
Severity: 8.2 High
Published: Jun 9, 2026
Updated: Jun 9, 2026
Reserved: Jan 22, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	8.2 High	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	siemens
3.1	7.1 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N	siemens

Weaknesses

CWE-313 Cleartext Storage in a File or on Disk

Affected Products

Product	Versions
SIMATIC WinCC Unified PC Runtime V16Siemens	all versionsAffected
SIMATIC WinCC Unified PC Runtime V17Siemens	all versionsAffected
SIMATIC WinCC Unified PC Runtime V18Siemens	all versionsAffected
SIMATIC WinCC Unified PC Runtime V19Siemens	all versionsAffected
SIMATIC WinCC Unified PC Runtime V20Siemens	all versionsAffected
SIMATIC WinCC Unified PC Runtime V21Siemens	before V21 Update 2Affected

References

https://cert-portal.siemens.com/productcert/html/ssa-063511.html

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.