CVE-2020-13556

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    CVE-2020-13556

    Published: 11 Dec 2020Last Modified: 7 Aug 2026

    Summary:

    Details: An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger this vulnerability.

    References: https://talosintelligence.com/vulnerability_reports/TALOS-2020-1170

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 150146e3058a493d5accf6d5f76ff450468d7bd7
    Fixed -None

    Affected versions

    2.3

    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-2020-13556 | CVE-DB