CVE Vulnerability

CVE-2021-21778

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1236 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mz-automation:lib60870:2.2.0:*:*:*:*:*:*:*
Information

Published : 2021-08-25 07:15

Updated : 2021-08-31 06:48

NVD link : CVE-2021-21778

Mitre link : CVE-2021-21778

Products Affected
No products.
CWE
CWE-617