CVE-2021-4479

MEDIUM

Dräger Atlan A350 1.00-1.01 DoS via Medibus Interface

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 4.0
EPSS 0.0024
EPSS Percentile 15.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1286
Status published
Products (5)
Dräger/Atlan A350 < 7.5.3
Dräger/Atlan A350 1.00 - 1.01
Dräger/Atlan A350 1.00 - 7.5.3
Dräger/Atlan A350 1.01
Dräger/Atlan A350 2.0
Published Jun 02, 2026
Tracked Since Jun 03, 2026