Siemens SIMATIC S7-1500 CPU 1511C-1 PN

Name: Siemens SIMATIC S7-1500 CPU 1511C-1 PN
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

0critical1high1medium0low

updated 2026-10-28

vulnerabilities (15)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2023-46156US	—	1.24% (69th)	—	V3.1.0	2023-12-12	2 versions
CVE-2023-28831US	high7.5	1.13% (66th)	—	V2.9.7	2023-09-12	0 → V2.9.7
CVE-2021-40365US	—	0.93% (60th)	—	V2.9.7	2022-12-13	All versions → V2.9.7
CVE-2021-44695US	—	0.77% (55th)	—	V2.9.7	2022-12-13	All versions → V2.9.7
CVE-2021-44693US	—	0.77% (55th)	—	V2.9.7	2022-12-13	All versions → V2.9.7
CVE-2021-44694US	—	0.66% (51st)	—	V2.9.7	2022-12-13	All versions → V2.9.7
CVE-2024-46887US	—OT elevated	0.56% (46th)	—	V3.1.4	2024-10-08	2 versions
CVE-2023-37482US	—	0.51% (43rd)	—	V3.1.2	2025-02-11	V3.1.0 → V3.1.2
CVE-2025-40943US	—	0.49% (42nd)	—	V2.9.9	2026-03-10	2 versions
CVE-2024-46886US	—	0.40% (35th)	—	V2.9.8	2024-10-08	2 versions
CVE-2026-25787US	—	0.37% (31st)	—	V2.9.9	2026-05-12	2 versions
CVE-2026-25786US	—	0.37% (31st)	—	V4.1.6	2026-05-12	2 versions
CVE-2022-30694US	—	0.32% (25th)	—	V2.9.7	2022-11-08	All versions → V2.9.7
CVE-2022-38773US	medium6.8	0.30% (23rd)	—	*	2023-01-10	0 → *
CVE-2026-25789US	—	0.27% (20th)	—	V2.9.9	2026-05-12	2 versions

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

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')4 CVEs
CWE-20Improper Input Validation3 CVEs
CWE-1284Improper Validation of Specified Quantity in Input1 CVEs
CWE-1286Improper Validation of Syntactic Correctness of Input1 CVEs
CWE-1287Improper Validation of Specified Type of Input1 CVEs
CWE-1326Missing Immutable Root of Trust in Hardware1 CVEs
CWE-190Integer Overflow or Wraparound1 CVEs
CWE-203Observable Discrepancy1 CVEs

Which sources assert this record, and when.

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