CVEvulnerability

CVE-2021-36764

7.5 HIGH Published 2021-08-04 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-476

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 configurations

• codesys gateway (>= 3.0 < 3.5.17.10)

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References