umbraco/umbraco-cms · Security
Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions
- GHSA ID
- GHSA-h8wc-r4jh-mg7m
- CVE ID
- CVE-2023-37267
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
Under rare conditions, a restart of Umbraco can allow unauthorized users to gain admin-level permissions.
Impact
An unauthorized user gaining admin-level access and permissions to the backoffice.
Patches
10.6.1, 11.4.2, 12.0.1
Workarounds
- Enabling the Unattended Install feature will mean the vulnerability is not exploitable.
- Enabling IP restrictions to
*/install/*and*/umbraco/*will limit the exposure to allowed IP addresses.
CWEs
- CWE-284 · Improper Access Control
References
- 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 ↗
- https://github.com/advisories/GHSA-h8wc-r4jh-mg7m ↗