CVE-2021-4481: Dräger Protector Software

High severity, CVSS 8.2. EPSS: 0.1% chance of exploitation in the next 30 days.

Dräger Protector Software prior to version 6.4.2 contains a local privilege escalation vulnerability due to insecure file system permissions that allows local attackers to execute arbitrary code with elevated privileges. Attackers can replace binaries or loaded modules on the host system to execute code with NT SYSTEM privileges.

Affected products

• Dräger Protector Software: before 6.4.2 (fixed in 6.4.2)

Published 2026-06-02. Last modified 2026-07-22.