Medium severity6.5NVD Advisory· Published Oct 26, 2021· Updated Jun 17, 2026
CVE-2021-34596
CVE-2021-34596
Description
A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.
Affected products
2- Range: <V2.4.7.56
Patches
Vulnerability mechanics
References
1- customers.codesys.com/index.phpnvdVendor Advisory
News mentions
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