CVE-2021-20093

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    CVE-2021-20093

    Published: 16 Jun 2021Last Modified: 24 Sept 2025

    Summary:

    Details: A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server.

    References: https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf, https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf, https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02, https://www.tenable.com/security/research/tra-2021-24

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -64f0b645f52371b0680becafe7b200da8d3330ec

    Affected versions

    v1.1.0

    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-2021-20093 | CVE-DB