Denial of Service Vulnerability in lib60870.NET 2.2.0 Allows Loss of Communications

Denial of Service Vulnerability in lib60870.NET 2.2.0 Allows Loss of Communications

CVE-2021-21778 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Learn more about our Network Penetration Testing.