CVE-2021-21778

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published8/25/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

mz-automation:lib60870

Weaknesses (CWE)

CWE-617

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1236(talos-cna@cisco.com)

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1236(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.