CVE-2021-3960: Bitdefender Gravityzone

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects Bitdefender GravityZone versions prior to 3.3.8.272

Affected products

• Bitdefender Gravityzone: before 3.3.8.272 (fixed in 3.3.8.272)

Published 2021-12-16. Last modified 2026-06-17.