AUGUST 4, 2026
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Case File

CVE-2021-21778

HIGH · CVSS 7.5 EPSS 1.26%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-25 · 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-2021-21778
Severity
HIGH
CVSS
7.5
EPSS
1.26%

Original NVD Description

A denial of service vulnerability exists in the ASDU message processing functionality of MZ Automation GmbH lib60870.NET 2.2.0. A specially crafted network request can lead to loss of communications. An attacker can send an unauthenticated message to trigger this vulnerability.

Related CVEs

Other vulnerabilities affecting the same vendor(s)