SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2024-33879

The Virto.SharePoint.FileDownloader/Api/Download.ashx isCompleted method allows arbitrary file download and deletion via absolute path traversal in the path parameter.

CRITICAL 9.8EPSS 0.61%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.61% probability · 48th percentile
CISA KEV
Not listed
Weakness
CWE-22
Affected
virtosoftware/sharepoint bulk file download
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.