Siemens SIMATIC S7-1200 CPU family (incl. SIPLUS variants)

Name: Siemens SIMATIC S7-1200 CPU family (incl. SIPLUS variants)
Brand: Siemens

productEU

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

KEV-listed

by severity

1critical11high8medium0low

updated 2026-10-27

vulnerabilities (25)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-3449US	medium5.9	63.5% (99th)	Exploit	V4.5.2	2021-03-25	< V4.5.2
CVE-2022-4304US	medium5.9	23.5% (98th)	Exploit	V4.7	2023-02-08	< V4.7
CVE-2017-3737US	medium5.9OT high	78.7% (100th)	—	V4.2.3	2017-12-07	2 versions
CVE-2023-0286US	high7.4	69.3% (99th)	—	V4.7	2023-02-08	< V4.7
CVE-2020-15782US	critical9.8	5.18% (92nd)	—	V4.5.0	2021-05-28	3 versions
CVE-2017-12741US	high7.5	3.31% (88th)	—	V4.2.3	2017-12-26	3 versions
CVE-2021-37204US	high7.1	2.18% (82nd)	—	V4.5.0	2022-02-09	6 versions
CVE-2019-10936US	medium5.0	2.07% (81st)	—	V4.4.0	2019-10-10	3 versions
CVE-2021-37185US	high7.1	2.06% (81st)	—	V4.5.2	2022-02-09	3 versions
CVE-2018-13815US	high7.5	1.80% (78th)	—	V4.3	2018-12-13	< V4.3
CVE-2019-19300US	high7.5	1.72% (77th)	—	V4.4.0	2020-04-14	3 versions
CVE-2019-13940US	high7.5	1.70% (77th)	—	V4.1	2020-02-11	3 versions
CVE-2021-37205US	high7.1	1.64% (76th)	—	V4.5.2	2022-02-09	3 versions
CVE-2017-2680US	medium6.5	1.15% (67th)	—	V4.2.1	2017-05-11	3 versions
CVE-2019-10929US	medium5.9OT elevated	0.98% (62nd)	—	V4.4.0	2019-08-13	2 versions
CVE-2019-10943US	high7.5OT elevated	0.95% (61st)	—	4.4.0	2019-08-13	6 versions
CVE-2021-40365US	—	0.93% (60th)	—	V4.6.0	2022-12-13	3 versions
CVE-2021-37172US	high7.5	0.92% (60th)	—	no fix	2021-08-10	3 versions
CVE-2017-2681US	medium6.5	0.91% (60th)	—	V4.2.1	2017-05-11	3 versions
CVE-2021-44695US	—	0.77% (55th)	—	V4.6.0	2022-12-13	3 versions
CVE-2021-44693US	—	0.77% (55th)	—	V4.6.0	2022-12-13	3 versions
CVE-2020-28397US	medium5.3OT elevated	0.75% (55th)	—	no fix	2021-08-10	3 versions
CVE-2021-44694US	—	0.66% (51st)	—	V4.6.0	2022-12-13	3 versions
CVE-2022-30694US	—	0.32% (25th)	—	V4.6.0	2022-11-08	3 versions
CVE-2022-38465US	high7.8	0.24% (15th)	—	V4.5.0	2022-10-11	3 versions

weaknesses (8)

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

CWE-20Improper Input Validation7 CVEs
CWE-400Uncontrolled Resource Consumption7 CVEs
CWE-672Operation on a Resource after Expiration or Release2 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer1 CVEs
CWE-125Out-of-bounds Read1 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

sources (3)

Which sources assert this record, and when.

USCISA CSAF OT advisories (ICS)23 CVEs
DESiemens ProductCERT (CSAF)22 CVEs
EUEU Vulnerability Database (ENISA)20 CVEs

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