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Vulnerability record · CVE-2021-4478 · published 2 June 2026

CVE-2021-4478: Out-of-bounds write vulnerability

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.

8.3 CVSS 4.0 High EPSS 0.12% · top 98.3% CWE-787 · Out-of-bounds write Awaiting Analysis
8.3CVSS 4.0 base score
0.12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
22 Jul 2026Last modified by NVD

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.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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-fi

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Source: NIST National Vulnerability Database (record CVE-2021-4478), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.