What’s Vulnerable › Vulnerabilities

CVE-2019-25723: Dräger Perseus A500 2.00-2.02 DoS via Medibus Interface

• Severity: medium (CVSS 4.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-02 · updated 2026-07-22
• Weakness: CWE-1286

Description

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.

Affected products

• Dräger Perseus A500: 2.00, 2.01, 2.02

References

• https://static.draeger.com/security/download/2020-06-PSA-20-169-01-Security-Advisory-Perseus-A500-SW20n.pdf
• https://www.vulncheck.com/advisories/dr-ger-perseus-a500-dos-via-medibus-interface

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