Siemens SIMATIC WinCC V15 and earlier

Name: Siemens SIMATIC WinCC V15 and earlier
Brand: Siemens

productEU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

public exploit

EPSS ≥ 10%

unpatched

critical

by severity

0critical3high1medium1low

updated 2026-10-27

vulnerabilities (5)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-40358US	high7.5	1.27% (70th)	—	V15_SP1_Update_7	2021-11-09	3 versions
CVE-2021-40359US	medium5.0	1.17% (67th)	—	V15_SP1_Update_7	2021-11-09	3 versions
CVE-2021-40360US	high8.8	0.68% (52nd)	—	V15_SP1_Update_7	2022-02-09	3 versions
CVE-2021-40364US	low2.1	0.24% (15th)	—	V15_SP1_Update_7	2021-11-09	3 versions
CVE-2021-40363US	high7.8OT elevated	0.16% (5th)	—	V15_SP1_Update_7	2022-02-09	3 versions

The flaw types (CWEs) most of these CVEs share.

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')2 CVEs
CWE-200Exposure of Sensitive Information to an Unauthorized Actor1 CVEs
CWE-312Cleartext Storage of Sensitive Information1 CVEs
CWE-326Inadequate Encryption Strength1 CVEs
CWE-522Insufficiently Protected Credentials1 CVEs
CWE-532Insertion of Sensitive Information into Log File1 CVEs
CWE-538Insertion of Sensitive Information into Externally-Accessible File or Directory1 CVEs

Which sources assert this record, and when.

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