CVE-2021-26600

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    CVE-2021-26600

    Published: 28 Mar 2022Last Modified: 9 Jul 2026

    Summary:

    Details: ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).

    References: http://karmainsecurity.com/KIS-2022-01, http://packetstormsecurity.com/files/166393/ImpressCMS-1.4.2-Authentication-Bypass.html, http://seclists.org/fulldisclosure/2022/Mar/43, https://hackerone.com/reports/1081986

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -e85b158aa49301fbdbc44fa94c6cb7611c942e35

    Affected versions

    v1.4.3-rc2
    v1.4.3-rc
    v1.4.2_bis
    v1.4.2
    v1.4.2_rc
    v1.4.0
    v1.4.0-rc
    v1.4.0-beta
    v1.4.0-alpha.2
    v1.4.0-alpha

    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-2021-26600 | CVE-DB