What’s Vulnerable › Vulnerabilities

CVE-2021-4478: Dräger CC-Vision Basic and CC-Vision E-Cal Out-of-Bounds Write via Malicious GDT File

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-02 · updated 2026-07-22
• Weakness: CWE-787

Description

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

How to fix

Upgrade to a fixed version: Dräger CC-Vision Basic 7.5.3; Dräger CC-Vision E-Cal 7.2.5.0. Check the vendor advisory for mitigations.

References

• https://static.draeger.com/security/download/2021-03-02-PSA-21-061-1-CC-Vision-Product-Security-Advisory.pdf
• https://www.vulncheck.com/advisories/dr-ger-cc-vision-basic-and-cc-vision-e-cal-out-of-bounds-write-via-malicious-gdt-file

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