Cyber Resilience

CVE-2021-4478

HighPublic PoC

Published: 02 June 2026

Published
02 June 2026
Modified
04 June 2026
KEV Added
Patch
CVSS Score v4 8.3 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:X/V:X/RE:X/U:X
EPSS Score 0.0012 2.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2021-4478 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Draeger (inferred from references). Its CVSS base score is 8.3 (High).

Operationally, ranked at the 2.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

execute malicious code on the underlying system.

CWE(s)

Related Threats

CVEs Like This One

CVE-2024-49749Shared CWE-787
CVE-2016-20044Shared CWE-787
CVE-2026-41990Shared CWE-787
CVE-2026-33144Shared CWE-787
CVE-2026-23326Shared CWE-787
CVE-2026-23233Shared CWE-787
CVE-2024-43077Shared CWE-787
CVE-2025-27169Shared CWE-787
CVE-2019-25705Shared CWE-787
CVE-2024-53697Shared CWE-787

Affected Assets

Draeger
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References