AUGUST 4, 2026
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Case File

CVE-2021-22816

HIGH · CVSS 7.5 EPSS 0.95%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-28 · 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-2021-22816
Severity
HIGH
CVSS
7.5
EPSS
0.95%

Original NVD Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause a Denial of Service of the RTU when receiving a specially crafted request over Modbus, and the RTU is configured as a Modbus server. Affected Products: SCADAPack 312E, 313E, 314E, 330E, 333E, 334E, 337E, 350E and 357E RTUs with firmware V8.18.1 and prior

Related CVEs

Other vulnerabilities affecting the same vendor(s)