Dräger CC-Vision Basic/CC-Vision E-Cal prior 7.5.3 out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Dräger CC-Vision Basic and CC-Vision E-Cal. It has been declared as critical. This affects an unknown function. Such manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2021-4478. An attack has to be approached locally. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Dräger CC-Vision Basic and CC-Vision E-Cal and classified as critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was shared by Mario Ceballos. The advisory is shared for download at static.draeger.com. This vulnerability is handled as CVE-2021-4478 since 06/02/2026. The exploitation is known to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading to version 7.5.3 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: CC-Vision Basic/CC-Vision E-Cal 7.5.3

Timelineinfo

06/02/2026 CVE reserved
06/02/2026 +0 days VulDB entry created
06/03/2026 +0 days Advisory disclosed
06/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: static.draeger.com
Researcher: Mario Ceballos
Status: Confirmed

CVE: CVE-2021-4478 (🔒)
GCVE (CVE): GCVE-0-2021-4478
GCVE (VulDB): GCVE-100-368024

Entryinfo

Created: 06/03/2026 01:27
Changes: 06/03/2026 01:27 (76)
Complete: 🔍
Cache ID: 216::103

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