Siemens SIMATIC WinCC OA V3.18

Name: Siemens SIMATIC WinCC OA V3.18
Brand: Siemens

productEU

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

KEV-listed

public exploit

by severity

2critical2high1medium0low

updated 2026-10-27

vulnerabilities (8)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-20093US	critical9.1	33.3% (98th)	—	V3.18_P002	2021-06-16	< V3.18_P002
CVE-2023-3935US	—	1.97% (80th)	—	no fix	2023-09-13	≤ All versions < V3.18 P021
CVE-2022-33139US	critical9.8	1.26% (70th)	—	no fix	2022-06-21	3 versions
CVE-2023-28831US	high7.5	1.13% (66th)	—	V3.18_P019	2023-09-12	3 versions
CVE-2022-44731US	medium5.4	0.57% (47th)	—	V3.18_P014	2022-12-13	3 versions
CVE-2021-41057US	high7.1	0.30% (22nd)	—	V3.18 P005	2021-11-14	< V3.18 P005
CVE-2023-46280US	—	0.26% (18th)	—	V3.18 P025	2024-05-14	3 versions
CVE-2025-47809US	—	0.18% (7th)	—	no fix	2025-05-16	2 versions

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

CWE-125Out-of-bounds Read2 CVEs
CWE-269Improper Privilege Management2 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer1 CVEs
CWE-122Heap-based Buffer Overflow1 CVEs
CWE-126Buffer Over-read1 CVEs
CWE-190Integer Overflow or Wraparound1 CVEs
CWE-272Least Privilege Violation1 CVEs
CWE-287Improper Authentication1 CVEs

Which sources assert this record, and when.

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