CVE-2019-25723
MediumCVSS 4.0Exploitation Probability (EPSS)
Low risk15th percentile - higher than 15% of all known CVEs
Summary
Dräger Perseus A500 versions 2.00 to 2.02 have an improper input handling vulnerability via the Medibus interface. Sending crafted data can overload the processor, triggering a warm restart, dropping ventilation pressure to ambient level and interrupting ventilation for several seconds.
Risk Assessment
An attacker can cause interruption of patient ventilation, posing a direct life threat.
Recommendation
Update Dräger Perseus A500 firmware to version 2.03 or later. Restrict Medibus interface access.
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Original NVD description (English source)
Dräger Perseus A500 software versions 2.00 through 2.02 contains an improper input handling vulnerability that allows external attackers to cause a denial of service by sending specifically crafted non-Medibus-compliant data through the Medibus interface. Attackers can overload the internal processor with malformed data to trigger a warm restart, causing ventilation pressure to drop to ambient level and interrupting ventilation for several seconds before therapy resumes.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

