Siemens Nucleus ReadyStart V4

Name: Siemens Nucleus ReadyStart V4
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

by severity

2critical3high5medium0low

updated 2026-10-28

vulnerabilities (10)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2020-27738US	high7.4	3.66% (90th)	—	V4.1.0	2021-04-22	2 versions
CVE-2020-27737US	medium6.5	3.57% (89th)	—	V4.1.0	2021-04-22	2 versions
CVE-2020-27736US	medium6.5	3.57% (89th)	—	V4.1.0	2021-04-22	2 versions
CVE-2021-31890US	critical9.1	2.22% (83rd)	—	V4.1.1	2021-11-09	< V4.1.1
CVE-2021-31346US	critical9.1	1.97% (80th)	—	V4.1.1	2021-11-09	< V4.1.1
CVE-2021-25664US	high7.5	1.88% (79th)	—	V4.1.0	2021-04-22	3 versions
CVE-2021-25663US	medium5.0	1.88% (79th)	—	V4.1.0	2021-04-22	3 versions
CVE-2021-31344US	medium5.3	1.46% (73rd)	—	V4.1.1	2021-11-09	< V4.1.1
CVE-2021-31885US	high7.5	1.24% (69th)	—	V4.1.1	2021-11-09	3 versions
CVE-2021-25677US	medium5.3OT elevated	1.06% (64th)	—	V4.1.0	2021-04-22	2 versions

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

CWE-125Out-of-bounds Read2 CVEs
CWE-788Access of Memory Location After End of Buffer2 CVEs
CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')2 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer1 CVEs
CWE-1284Improper Validation of Specified Quantity in Input1 CVEs
CWE-170Improper Null Termination1 CVEs
CWE-240Improper Handling of Inconsistent Structural Elements1 CVEs
CWE-330Use of Insufficiently Random Values1 CVEs

Which sources assert this record, and when.

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