GHSA-h8wc-r4jh-mg7m
Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| NuGet | Umbraco.Cms.Infrastructure | >= 9.0.0, < 10.6.1 | 10.6.1 |
| NuGet | Umbraco.Cms.Infrastructure | >= 11.0.0, < 11.4.2 | 11.4.2 |
| NuGet | Umbraco.Cms.Infrastructure | >= 12.0.0, < 12.0.1 | 12.0.1 |
| NuGet | Umbraco.Cms.Web.BackOffice | >= 9.0.0, < 10.6.1 | 10.6.1 |
| NuGet | Umbraco.Cms.Web.BackOffice | >= 11.0.0, < 11.4.2 | 11.4.2 |
| NuGet | Umbraco.Cms.Web.BackOffice | >= 12.0.0, < 12.0.1 | 12.0.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
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](https://docs.umbraco.com/umbraco-cms/reference/configuration/unattendedsettings) feature will mean the vulnerability is not exploitable.
* Enabling IP restrictions to `*/install/*` and `*/umbraco/*` will limit the exposure to allowed IP addresses.
References
External links from the advisory. They lead to third-party sites.
- 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/umbraco/Umbraco-CMS