CVE-2021-20671

Name of the Vulnerable Software and Affected Versions: GROWI version v4.2.2

Description: The issue concerns invalid file validation on the upload feature, allowing a remote attacker with administrative privilege to overwrite files on the server. This could potentially lead to arbitrary code execution.

Recommendations: For GROWI version v4.2.2, consider disabling the upload feature until a patch is available to prevent potential exploitation. Restrict access to administrative privileges to minimize the risk of unauthorized file overwrites. At the moment, there is no information about a newer version that contains a fix for this vulnerability.