VULNERABILITY INTELLIGENCE

CVE-2021-36764

CVSS score7.5 HIGH
EPSS probability0.99%
CISA KEVNot currently listed
Published2021-08-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references