Loading...
Skip to main content
GeekWala

CVE-2023-37267 — Vulnerability in Umbraco.Cms.Web.BackOffice — CVE...

HIGH

Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions

Published July 13, 2023Updated February 16, 2024Source: osv

Summary

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.

Advisory Timeline

  • First published July 13, 2023 (1187 days ago).
  • Last revised February 16, 2024 — 218 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update Umbraco.Cms.Web.BackOffice to 12.0.1 or later
dotnet add package Umbraco.Cms.Web.BackOffice --version 12.0.1
NuGet
Update Umbraco.Cms.Infrastructure to 10.6.1 or later
dotnet add package Umbraco.Cms.Infrastructure --version 10.6.1
NuGet
Update Umbraco.Cms.Infrastructure to 12.0.1 or later
dotnet add package Umbraco.Cms.Infrastructure --version 12.0.1
NuGet
Update Umbraco.Cms.Web.BackOffice to 11.4.2 or later
dotnet add package Umbraco.Cms.Web.BackOffice --version 11.4.2
NuGet
Update Umbraco.Cms.Infrastructure to 11.4.2 or later
dotnet add package Umbraco.Cms.Infrastructure --version 11.4.2
NuGet
Update Umbraco.Cms.Web.BackOffice to 10.6.1 or later
dotnet add package Umbraco.Cms.Web.BackOffice --version 10.6.1

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (6)

Affects 1 ecosystem: nuget (2).

PackageEcosystemAffectedFixed In
Umbraco.Cms.Web.BackOffice
nuget
12.0.012.0.1
Umbraco.Cms.Infrastructure
nuget
10.0.0, 10.0.0-rc5, 10.0.1, 10.1.0 (+43 more)10.6.1
Umbraco.Cms.Infrastructure
nuget
12.0.012.0.1
Umbraco.Cms.Web.BackOffice
nuget
11.0.0, 11.1.0, 11.1.0-rc, 11.2.0 (+9 more)11.4.2
Umbraco.Cms.Infrastructure
nuget
11.0.0, 11.1.0, 11.1.0-rc, 11.2.0 (+9 more)11.4.2
Umbraco.Cms.Web.BackOffice
nuget
10.0.0, 10.0.0-rc1, 10.0.0-rc2, 10.0.0-rc3 (+47 more)10.6.1

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2023-37267?
Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2023-37267?
CVE-2023-37267 affects Umbraco.Cms.Web.BackOffice and Umbraco.Cms.Infrastructure. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2023-37267 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-h8wc-r4jh-mg7m

Related CVEs

More NuGet advisories

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies