Vulnerability · Published Aug 25, 2021 · Assigned by talos

CVE-2021-21778

High 7.5

In plain English

A high-severity security flaw in MZ Automation". There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.3%top 30.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
n/a MZ Automation" MZ Automation GmbH lib60870.NET 2.2.0

References