CVE-2020-16144: ownCloud Files Antivirus

Medium severity, CVSS 5.7. EPSS: 0.8% chance of exploitation in the next 30 days.

When using an object storage like S3 as the file store, when a user creates a public link to a folder where anonymous users can upload files, and another user uploads a virus the files antivirus app would detect the virus but fails to delete it due to permission issues. This affects the files_antivirus component versions before 0.15.2 for ownCloud.

Affected products

• ownCloud Files Antivirus: before 0.15.2 (fixed in 0.15.2)

Published 2021-02-09. Last modified 2026-06-17.