High severity7.5NVD Advisory· Published May 25, 2021· Updated Jun 17, 2026
CVE-2021-30186
CVE-2021-30186
Description
CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
Affected products
31<2.4.7.55+ 1 more
- (no CPE)range: <2.4.7.55
- (no CPE)
Patches
Vulnerability mechanics
References
2- customers.codesys.com/index.phpnvdPermissions RequiredVendor Advisory
- customers.codesys.com/index.phpnvdVendor Advisory
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