CVE-2021-3485: Bitdefender Endpoint Security Tools

Medium severity, CVSS 6.6. EPSS: 0.9% chance of exploitation in the next 30 days.

An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the DownloadFile function of the Product Update to achieve remote code execution. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.155.

Affected products

• Bitdefender Endpoint Security Tools: before 6.2.21.155 (fixed in 6.2.21.155)

Published 2021-05-24. Last modified 2026-06-17.