high7.5
CVE-2023-37267
Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | Umbraco.Cms.Infrastructure | >= 9.0.0, < 10.6.1 | 10.6.1 |
| nuget | Umbraco.Cms.Web.BackOffice | >= 9.0.0, < 10.6.1 | 10.6.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Umbraco | Umbraco Cms | from 10.0.0 before 10.6.1 from 11.0.0 before 11.4.2 from 12.0.0 before 12.0.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- 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/security/advisories/GHSA-h8wc-r4jh-mg7m
- https://github.com/advisories/GHSA-h8wc-r4jh-mg7m
- https://nvd.nist.gov/vuln/detail/CVE-2023-37267