CVE-2021-36764

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CVSS 3.1

7.5 high

EPSS

<1%p60

Published

Aug 4, 2021 (Aug 4, 2021)

Modified

Jun 17, 2026

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.

Vendors: codesys
Products: gateway
Weakness: CWE-476
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.0%)

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