CVE-2020-26029

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    CVE-2020-26029

    Published: 28 Dec 2020Last Modified: 1 Aug 2026

    Summary:

    Details: An issue was discovered in Zammad before 3.4.1. There are wrong authorization checks for impersonation requests via X-On-Behalf-Of. The authorization checks are performed for the actual user and not the one given in the X-On-Behalf-Of header.

    References: https://zammad.com/news/security-advisory-zaa-2020-20

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 9bdf6d7b816d4e55501e13d12dc0d9b53cf16f5c
    Fixed -a12d45896b1518190fe00a120d6b92f8c29f1f54

    Affected versions

    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-2020-26029 | CVE-DB