CVE-2022-21159

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    CVE-2022-21159

    Published: 15 Apr 2022Last Modified: 12 Aug 2026

    Summary:

    Details: A denial of service vulnerability exists in the parseNormalModeParameters functionality of MZ Automation GmbH libiec61850 1.5.0. A specially-crafted series of network requests can lead to denial of service. An attacker can send a sequence of malformed iec61850 messages to trigger this vulnerability.

    References: https://talosintelligence.com/vulnerability_reports/TALOS-2022-1467, https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1467, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21159.json, https://nvd.nist.gov/vuln/detail/CVE-2022-21159, https://github.com/mz-automation/libiec61850/commit/cfa94cbf10302bedc779703f874ee2e8387a0721

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- fcefc746fea286aeaa40d2f62240216da81c85e5
    Fixed -cfa94cbf10302bedc779703f874ee2e8387a0721

    Affected versions

    1.5.0

    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-2022-21159 | CVE-DB