CVE-2021-21778

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Source

https://cve.org/CVERecord?id=CVE-2021-21778

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21778.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2021-21778

Published

2021-08-25T19:15:08Z

Modified

2026-10-20T10:54:30Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

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.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1236

Affected packages

Git / github.com/mz-automation/lib60870

Affected ranges

Type

GIT

Repo

https://github.com/mz-automation/lib60870

Events

Introduced

4414e78a730405397097612fef11776d8e678950

Last Affected

4414e78a730405397097612fef11776d8e678950

Database specific

Show details

{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:mz-automation:lib60870:2.2.0:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "2.2.0"
                },
                {
                    "last_affected":  "2.2.0"
                }
            ],
            "source":  "CPE_STRING"
        }
    ]
}

Affected versions

2.*

2.2.0

v2.*

v2.2.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21778.json"

Git / github.com/mz-automation/lib60870.net