CVE-2023-37267

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    CVE-2023-37267

    Published: 13 Jul 2023Last Modified: 12 Aug 2026

    Summary: Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions

    Details: Umbraco is a ASP.NET CMS. Under rare conditions a restart of Umbraco can allow unauthorized users access to admin-level permissions. This vulnerability was patched in versions 10.6.1, 11.4.2 and 12.0.1.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37267.json, https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-h8wc-r4jh-mg7m, https://nvd.nist.gov/vuln/detail/CVE-2023-37267, https://github.com/umbraco/Umbraco-CMS/commit/1f26f2c6f3428833892cde5c6d8441fb041e410e, https://github.com/umbraco/Umbraco-CMS/commit/20a4e475c8d7b91d263e4e103ef19f3644e7b569, https://github.com/umbraco/Umbraco-CMS/commit/82eae48d098b9deecbdf86cf288b2b18020e1fed

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- e3f4b86f1c28e0ec30a1ad2a079e308af4cbfbf7
    Fixed -82eae48d098b9deecbdf86cf288b2b18020e1fed

    Affected versions

    = 12.0.0

    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-2023-37267 | CVE-DB