Vulnerability in Dräger Perseus A500
CVE-2019-25723
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (13.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Dräger Perseus A500 — versions 2.00, 2.01, 2.02
Weakness classification (CWE)
References
- static.draeger.com/security (vendor-advisory)
- www.vulncheck.com/advisories/dr-ger-perseus-a500-dos-via-medibus-interface (third-party-advisory)
- static.draeger.com/security/download/2020-06-PSA-20-169-01-Security-Advisory-Pe… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-25723?
- CVE-2019-25723 is a medium-severity vulnerability in Dräger Perseus A500, classified under CWE-1286. CVSS score: 4.0/10. Published 2026-06-02.
- How severe is CVE-2019-25723?
- Medium severity. CVSS v3 base score is 4.0 out of 10.