CVE-2023-37267: Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions
First published: Thu Jul 13 2023(Updated: )
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.
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Umbraco CMS | >=10.0.0<10.6.1 | |
| Umbraco CMS | >=11.0.0<11.4.2 | |
| Umbraco CMS | >=12.0.0<12.0.1 |
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Reference Links
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-h8wc-r4jh-mg7m
- https://github.com/umbraco/Umbraco-CMS/commit/82eae48d098b9deecbdf86cf288b2b18020e1fed
- https://github.com/umbraco/Umbraco-CMS/commit/1f26f2c6f3428833892cde5c6d8441fb041e410e
- https://github.com/umbraco/Umbraco-CMS/commit/20a4e475c8d7b91d263e4e103ef19f3644e7b569
Frequently Asked Questions
What is CVE-2023-37267?
CVE-2023-37267 is a vulnerability in Umbraco CMS that can allow unauthorized users access to admin-level permissions.
How severe is CVE-2023-37267?
CVE-2023-37267 is considered a critical vulnerability with a severity score of 9.8.
How does CVE-2023-37267 affect Umbraco CMS?
Under rare conditions, a restart of Umbraco CMS can allow unauthorized users access to admin-level permissions.
Which versions of Umbraco CMS are affected by CVE-2023-37267?
Umbraco CMS versions 10.0.0 to 10.6.1, 11.0.0 to 11.4.2, and 12.0.0 to 12.0.1 are affected by CVE-2023-37267.
How can I fix CVE-2023-37267?
You can fix CVE-2023-37267 by updating your Umbraco CMS to versions 10.6.1, 11.4.2, or 12.0.1, where the vulnerability has been patched.
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