CVE-2024-33879: Virtosoftware SharePoint Bulk File Download

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue was discovered in VirtoSoftware Virto Bulk File Download 5.5.44 for SharePoint 2019. The Virto.SharePoint.FileDownloader/Api/Download.ashx isCompleted method allows arbitrary file download and deletion via absolute path traversal in the path parameter.

Affected products

• Virtosoftware SharePoint Bulk File Download: version 5.5.44 only

Published 2024-06-24. Last modified 2026-06-17.