CVE-2021-21778

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    CVE-2021-21778

    Published: 25 Aug 2021Last Modified: 7 Aug 2026

    Summary:

    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

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 4414e78a730405397097612fef11776d8e678950
    Fixed -None

    Affected versions

    2.2.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-21778 | CVE-DB