# CVE-2020-29454: Incorrect permission enforcement in UmbracoCms

Source: https://junglewise.ai/threats/cve-2020-29454-incorrect-permission-enforcement-in-umbracocms  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-04-13  
License: CC BY 4.0 with a link back

CVE-2020-29454 · Severity: low · CVSS 3.1 · Published 2021-04-13

Incorrect permission enforcement in UmbracoCms

Technologies: [UmbracoCms (NuGet)](https://junglewise.ai/threats/technologies/umbracocms). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2020-29454 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-29454 being exploited in the wild.

**How severe is CVE-2020-29454?** Low severity, with a CVSS score of 3.1, published 13 April 2021.

**Which products and versions are affected?** UmbracoCms (NuGet) ECOSYSTEM:introduced=0,fixed=8.10.0.

**Is there a fix for CVE-2020-29454?** Yes. UmbracoCms (NuGet): upgrade to 8.10.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-29454?** Check whether you run UmbracoCms (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- UmbracoCms (NuGet): upgrade to 8.10.0 or later

  ```sh
  dotnet add package UmbracoCms --version 8.10.0
  ```


## Affected products

- UmbracoCms (NuGet) ECOSYSTEM:introduced=0,fixed=8.10.0

## Identifiers

- CVE-2020-29454
- GHSA-4vp3-vfww-8648

## Related threats

- [Umbraco CMS contains a server-side request forgery vulnerability](https://junglewise.ai/threats/cve-2021-47776-umbraco-cms-contains-a-server-side-request-forgery-vulnerability)
- [Umbraco has a Potential Code Execution Risk When Viewing SVG Files in Full Screen in Backoffice](https://junglewise.ai/threats/cve-2024-48927-umbraco-has-a-potential-code-execution-risk-when-viewing-svg)
- [Umbraco CMS logout page displayed before session expiration](https://junglewise.ai/threats/cve-2024-48926-umbraco-cms-logout-page-displayed-before-session-expiration)
- [Umbraco possible user enumeration](https://junglewise.ai/threats/cve-2024-28868-umbraco-possible-user-enumeration)
- [Unrestricted Upload of File with Dangerous Type in Umbraco CMS](https://junglewise.ai/threats/cve-2020-9472-unrestricted-upload-of-file-with-dangerous-type-in-umbraco-cms)