CVE-2021-4479 - CVE House
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Status published Medium CVE-2021-4479

Dräger Atlan A350 1.00 <= 1.01 DoS via Medibus Interface

Vulnerability Description

Dräger Atlan A350 versions 1.00 up to and including 1.01 contains an improper input handling vulnerability that allows attackers to cause a denial of service by sending specifically crafted non-Medibus-compliant data through the Medibus interface. Attackers can transmit malformed data to overload the internal processor, gradually disrupting device operation over several hours and causing loss of data transmission, delayed display of real-time curves, and deviation between displayed airway pressure values and screen curves.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Atlan A350
Vulnerable Versions:
1.00

Timeline

Official Publish: June 2nd, 2026
Last Modified: June 10th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L

Weaknesses (CWE)

CWE-1286

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.