CVE-2021-43421: elFinder Unrestricted File Upload vulnerability

CVE-2021-43421 · Severity: low · CVSS 3.1 · Published 2022-04-08

elFinder Unrestricted File Upload vulnerability

Technologies: studio-42/elfinder (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2021-43421 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-43421 being exploited in the wild.
How severe is CVE-2021-43421?
Low severity, with a CVSS score of 3.1, published 8 April 2022.
Which products and versions are affected?
studio-42/elfinder (Packagist) ECOSYSTEM:introduced=2.0.4,fixed=2.1.60.
Is there a fix for CVE-2021-43421?
Yes. studio-42/elfinder (Packagist): upgrade to 2.1.60 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-43421?
Check whether you run studio-42/elfinder (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

  • studio-42/elfinder (Packagist): upgrade to 2.1.60 or later
    composer require studio-42/elfinder:^2.1.60

Affected products

  • studio-42/elfinder (Packagist) ECOSYSTEM:introduced=2.0.4,fixed=2.1.60

Identifiers

  • CVE-2021-43421
  • GHSA-x4jx-hjwf-gc99

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