CVE-2026-24349

HIGH

Siemens Simatic WinCC Unified PC Runtime V16 - Cleartext Storage in a File or on Disk

Title source: rule
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 7.1
EPSS 0.0006
EPSS Percentile 0.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-313
Status published
Products (8)
Siemens/SIMATIC WinCC Unified PC Runtime V16
Siemens/SIMATIC WinCC Unified PC Runtime V17
Siemens/SIMATIC WinCC Unified PC Runtime V18
Siemens/SIMATIC WinCC Unified PC Runtime V19
Siemens/SIMATIC WinCC Unified PC Runtime V20
Siemens/SIMATIC WinCC Unified PC Runtime V21 < V21 Update 2
siemens/simatic_wincc_unified_pc_runtime 21 (2 CPE variants)
siemens/simatic_wincc_unified_pc_runtime 16 - 20
Published Jun 09, 2026
Tracked Since Jun 09, 2026