{"id":"CVE-2019-25723","aliases":["EUVD-2019-20159","GHSA-9p7r-jmp9-7hw2"],"status":"published","title":"Dräger Perseus A500 2.00-2.02 DoS via Medibus Interface","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.","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00236,"percentile":0.1472,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1286"],"published":"2026-06-02T19:00:19Z","modified":"2026-07-22T19:10:00Z","products":[{"vendor":"dräger","product":"perseus a500"}],"references":[{"url":"https://static.draeger.com/security/download/2020-06-PSA-20-169-01-Security-Advisory-Perseus-A500-SW20n.pdf","tags":["vendor-advisory"]},{"url":"https://www.vulncheck.com/advisories/dr-ger-perseus-a500-dos-via-medibus-interface","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-25723"},{"url":"https://static.draeger.com/security"},{"url":"https://github.com/advisories/GHSA-9p7r-jmp9-7hw2"}],"sources":{"cve":[{"id":"CVE-2019-25723","title":"Dräger Perseus A500 2.00-2.02 DoS via Medibus Interface","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.","status":"published","published":"2026-06-02T19:00:19.249Z","modified":"2026-06-03T18:01:04.808Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L","level":"medium","assessor":"cna"},{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-1286"],"updated_at":"2026-11-02T14:20:19.737165Z"}],"euvd":[{"id":"EUVD-2019-20159","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.","status":"published","published":"2026-06-02T19:00:19Z","modified":"2026-06-03T18:01:04Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L","level":"medium"}],"updated_at":"2026-11-02T18:20:53.780241Z"}],"ghsa":[{"id":"GHSA-9p7r-jmp9-7hw2","title":"Dräger Perseus A500 software versions 2.00 through 2.02 contains an improper input handling...","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.","status":"published","published":"2026-06-02T21:30:41Z","modified":"2026-06-03T21:31:33Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-1286"],"updated_at":"2026-11-02T15:08:31.387226Z"}],"nvd":[{"id":"CVE-2019-25723","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.","status":"published","published":"2026-06-02T20:16:23.83Z","modified":"2026-07-22T19:10:00.12Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-1286"],"updated_at":"2026-11-02T14:05:50.275357Z"}]}}