CVE-2021-4478: Dräger Cc-Vision Basic

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

Dräger CC-Vision Basic before 7.5.3 and Dräger CC-Vision E-Cal before 7.2.5.0 contain an out-of-bounds write vulnerability when loading .gdt files. A crafted .gdt file can trigger a buffer overflow during file parsing, allowing an attacker to crash the application or execute malicious code on the underlying system.

Affected products

• Dräger Cc-Vision Basic: before 7.5.3 (fixed in 7.5.3)
• Dräger Cc-Vision E-Cal: before 7.2.5.0 (fixed in 7.2.5.0)

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