AUGUST 4, 2026
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Case File

CVE-2021-22800

HIGH · CVSS 7.5 EPSS 1.00%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-02-11 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may lead to a denial-of-service condition.

CVE
CVE-2021-22800
Severity
HIGH
CVSS
7.5
EPSS
1.00%

Original NVD 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)

Related CVEs

Other vulnerabilities affecting the same vendor(s)