CVE-2021-28931: Arbitrary file upload in Fork CMS

CVE-2021-28931 · Severity: low · CVSS 3.1 · Published 2021-09-08

Arbitrary file upload in Fork CMS

Technologies: forkcms/forkcms (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2021-28931 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-28931 being exploited in the wild.
How severe is CVE-2021-28931?
Low severity, with a CVSS score of 3.1, published 8 September 2021.
Which products and versions are affected?
forkcms/forkcms (Packagist) ECOSYSTEM:introduced=0,fixed=5.9.3.
Is there a fix for CVE-2021-28931?
Yes. forkcms/forkcms (Packagist): upgrade to 5.9.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-28931?
Check whether you run forkcms/forkcms (Packagist) 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

  • forkcms/forkcms (Packagist): upgrade to 5.9.3 or later
    composer require forkcms/forkcms:^5.9.3

Affected products

  • forkcms/forkcms (Packagist) ECOSYSTEM:introduced=0,fixed=5.9.3

Identifiers

  • CVE-2021-28931
  • GHSA-748f-wv76-x9hg

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