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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.
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Title: varios productos SIMATIC de Siemens, Description: Una vulnerabilidad ha sido identificada en SIMATIC WinCC Unified PC Runtime V16 (Todas las versiones), SIMATIC WinCC Unified PC Runtime V17 (Todas las versiones), SIMATIC WinCC Unified PC Runtime V18 (Todas las versiones), SIMATIC WinCC Unified PC Runtime V19 (Todas las versiones), SIMATIC WinCC Unified PC Runtime V20 (Todas las versiones), SIMATIC WinCC Unified PC Runtime V21 (Todas las versiones < V21 Update 2). Protección insuficiente del material clave en WinCC Certificate Manager que podría permitir a un atacante extraer información sensible.
Initial Analysis by NIST6/26/2026 9:43:48 AM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:a:siemens:simatic_wincc_unified_pc_runtime:*:*:*:*:*:*:*:* versions from (including) 16 up to (including) 20
*cpe:2.3:a:siemens:simatic_wincc_unified_pc_runtime:21:-:*:*:*:*:*:*
*cpe:2.3:a:siemens:simatic_wincc_unified_pc_runtime:21:update1:*:*:*:*:*:*
[{"vendor":"Siemens","product":"SIMATIC WinCC Unified PC Runtime V16","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC WinCC Unified PC Runtime V17","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC WinCC Unified PC Runtime V18","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC WinCC Unified PC Runtime V19","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC WinCC Unified PC Runtime V20","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"*","versionType":"custom","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC WinCC Unified PC Runtime V21","defaultStatus":"unknown","versions":[{"version":"0","lessThan":"V21 Update 2","versionType":"custom","status":"affected"}]}]
New CVE Received from Siemens AG6/09/2026 6:16:42 AM
Action
Type
Old Value
New Value
Added
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.