CVE-2020-9472: Unrestricted Upload of File with Dangerous Type in Umbraco CMS

CVE-2020-9472 · Severity: low · CVSS 3.1 · Published 2021-08-02

Unrestricted Upload of File with Dangerous Type in Umbraco CMS

Technologies: UmbracoCms (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2020-9472 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-9472 being exploited in the wild.
How severe is CVE-2020-9472?
Low severity, with a CVSS score of 3.1, published 2 August 2021.
Which products and versions are affected?
UmbracoCms (NuGet) ECOSYSTEM:introduced=0,fixed=8.5.4.
Is there a fix for CVE-2020-9472?
Yes. UmbracoCms (NuGet): upgrade to 8.5.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-9472?
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 8.5.4 or later
    dotnet add package UmbracoCms --version 8.5.4

Affected products

  • UmbracoCms (NuGet) ECOSYSTEM:introduced=0,fixed=8.5.4

Identifiers

  • CVE-2020-9472
  • GHSA-j66f-h9hm-975m

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