VULNERABILITY INTELLIGENCE

CVE-2021-22800

CVSS score7.5 HIGH
EPSS probability1.00%
CISA KEVNot currently listed
Published2022-02-11
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

A CWE-20: Improper Input Validation vulnerability exists that could cause a Denial of Service when a crafted packet is sent to the controller over network port 1105/TCP. Affected Product: Modicon M218 Logic Controller (V5.1.0.6 and prior)

Weakness classification

  • cybersecurity@se.com: CWE-20

Primary references