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CVE-2021-4478

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

HIGH
8.2
CVSS Score
Published: June 2, 2026 at 07:17 PM UTC
Updated: July 22, 2026 at 07:24 PM UTC
2 products affected across 1 vendorCC-Vision BasicCC-Vision E-Cal

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Severity
HIGH8.2
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CC-Vision Basic· Dr Ger
60%
v < 7.5.3
Affected range stops below 7.5.3, so it looks safe — our inference, not a vendor statement
CC-Vision E-Cal· Dr Ger
60%
v < 7.2.5.0
Affected range stops below 7.2.5.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGHVulnCheck
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-787

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