High, CVSS 7.5NuGetPublished
Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions
CVE-2023-37267 · GHSA-h8wc-r4jh-mg7m
- Affected
- NuGet umbraco.cms.infrastructure >= 9.0.0, < 10.6.1; >= 11.0.0, < 11.4.2; >= 12.0.0, <= 12.0.0
- Fixed in
- 10.6.111.4.212.0.1· Vendor fix available
- Issue
- 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.
Recommended action: Upgrade to 12.0.1, 11.4.2 or 10.6.1 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.