CVE-2021-43421: Unrestricted Upload of File with Dangerous Type

April 7, 2022 (updated April 13, 2022)

A File Upload vulnerability exists in Studio-42 elFinder 2.0.4 to 2.1.59 via connector.minimal.php, which allows a remote malicious user to upload arbitrary files and execute PHP code.

References

github.com/Studio-42/elFinder/issues/3429
nvd.nist.gov/vuln/detail/CVE-2021-43421
twitter.com/infosec_90/status/1455180286354919425

Code Behaviors & Features

Detect and mitigate CVE-2021-43421 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →