Denial of Service Vulnerability in MZ Automation GmbH's lib60870.NET
CVE-2021-21778

7.5HIGH

Key Information:

Vendor

Mz-automation

Status
Mz Automation"
Vendor
CVE Published:
25 August 2021

What is CVE-2021-21778?

A denial of service vulnerability exists within the ASDU message processing functionality of lib60870.NET version 2.2.0 by MZ Automation GmbH. An attacker can exploit this vulnerability by sending a specially crafted network request, resulting in a loss of communications and affecting the overall availability of the service. This unauthenticated attack vector poses a significant risk to the integrity of automated systems that rely on effective message handling.

Affected Version(s)

MZ Automation" MZ Automation GmbH lib60870.NET 2.2.0

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.