High severity7.5NVD Advisory· Published Aug 4, 2021· Updated Jun 17, 2026
CVE-2021-36764
CVE-2021-36764
Description
In CODESYS Gateway V3 before 3.5.17.10, there is a NULL Pointer Dereference. Crafted communication requests may cause a Null pointer dereference in the affected CODESYS products and may result in a denial-of-service condition.
Affected products
3- CODESYS/CODESYS Gatewaydescription
- Range: <3.5.17.10
Patches
Vulnerability mechanics
References
1- customers.codesys.com/index.phpnvdBroken Link
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