codesys codesys

Name: codesys codesys
Brand: codesys

productUS

cpe:2.3:a:codesys:codesys:*:*:*:*:*:*:*:*

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

KEV-listed

public exploit

by severity

2critical8high2medium0low

updated 2026-10-27

vulnerabilities (13)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-34586US	high7.5	13.7% (96th)	—	1.1.9.22	2021-10-26	< 1.1.9.22
CVE-2021-34583US	high7.5	8.84% (95th)	—	1.1.9.22	2021-10-26	< 1.1.9.22
CVE-2019-5105US	high7.5	2.21% (82nd)	—	no fix	2020-03-26	= 3.5.13.2
CVE-2021-21869US	high7.8	1.89% (79th)	—	no fix	2021-08-25	2 versions
CVE-2021-21867US	high7.8	1.78% (78th)	—	no fix	2021-08-18	2 versions
CVE-2021-21868US	high7.8	1.73% (77th)	—	no fix	2021-08-18	2 versions
CVE-2019-16265US	critical9.8	1.64% (76th)	—	2.3.9.61	2019-10-25	2.3 → 2.3.9.61
CVE-2021-34584US	critical9.1	1.08% (65th)	—	1.1.9.22	2021-10-26	< 1.1.9.22
CVE-2021-34585US	medium5.0	0.90% (60th)	—	1.1.9.22	2021-10-26	< 1.1.9.22
CVE-2021-34595US	high8.1	0.85% (58th)	—	1.1.9.22	2021-10-26	< 1.1.9.22
CVE-2019-13538US	high8.6	0.85% (58th)	—	3.5.16.0	2019-09-17	< 3.5.16.0
CVE-2021-34596US	medium6.5	0.83% (57th)	—	1.1.9.22	2021-10-26	< 1.1.9.22
CVE-2025-41700US	—	0.15% (5th)	—	3.5.21.40	2025-12-01	< 3.5.21.40

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

CWE-502Deserialization of Untrusted Data4 CVEs
CWE-787Out-of-bounds Write3 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer2 CVEs
CWE-50Path Equivalence: '//multiple/leading/slash'2 CVEs
CWE-122Heap-based Buffer Overflow1 CVEs
CWE-126Buffer Over-read1 CVEs
CWE-252Unchecked Return Value1 CVEs
CWE-476NULL Pointer Dereference1 CVEs

Which sources assert this record, and when.

scry

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