{"id":"CVE-2020-27252","aliases":["EUVD-2020-19765","GHSA-qmhj-wg3r-x2h5"],"status":"published","title":"Medtronic MyCareLink Smart Time-of-check Time-of-use Race Condition","description":"Medtronic MyCareLink Smart 25000 is \n\nvulnerable to a race condition in the MCL Smart Patient Reader software update system, which allows unsigned firmware to be uploaded and executed on the Patient Reader. If exploited, an attacker could remotely execute code on the MCL Smart Patient Reader device, leading to control of the device.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0384,"percentile":0.902,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2020-12-14T19:19:00Z","modified":"2026-06-17T03:09:03Z","products":[{"vendor":"medtronic","product":"mycarelink_smart_model_25000_firmware"},{"vendor":"medtronic","product":"smart model 25000 patient reader"}],"references":[{"url":"https://global.medtronic.com/xg-en/product-security/security-bulletins/mycarelink-smart-security-vulnerability-patch.html","tags":["x_refsource_MISC"]},{"url":"https://www.cisa.gov/news-events/ics-medical-advisories/icsma-20-345-01"},{"url":"https://us-cert.cisa.gov/ics/advisories/icsma-20-345-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27252"},{"url":"https://github.com/advisories/GHSA-qmhj-wg3r-x2h5"}],"sources":{"cve":[{"id":"CVE-2020-27252","title":"Medtronic MyCareLink Smart Time-of-check Time-of-use Race Condition","description":"Medtronic MyCareLink Smart 25000 is \n\nvulnerable to a race condition in the MCL Smart Patient Reader software update system, which allows unsigned firmware to be uploaded and executed on the Patient Reader. If exploited, an attacker could remotely execute code on the MCL Smart Patient Reader device, leading to control of the device.","status":"published","published":"2020-12-14T19:19:00Z","modified":"2025-05-22T19:39:10.747Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-19765","description":"Medtronic MyCareLink Smart 25000 is \n\nvulnerable to a race condition in the MCL Smart Patient Reader software update system, which allows unsigned firmware to be uploaded and executed on the Patient Reader. If exploited, an attacker could remotely execute code on the MCL Smart Patient Reader device, leading to control of the device.","status":"published","published":"2020-12-14T19:19:00Z","modified":"2025-05-22T19:39:10Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:39.383071Z"}],"ghsa":[{"id":"GHSA-qmhj-wg3r-x2h5","title":"Medtronic MyCareLink Smart 25000 all versions are vulnerable to a race condition in the MCL Smart...","description":"Medtronic MyCareLink Smart 25000 all versions are vulnerable to a race condition in the MCL Smart Patient Reader software update system, which allows unsigned firmware to be uploaded and executed on the Patient Reader. If exploited an attacker could remotely execute code on the MCL Smart Patient Reader device, leading to control of the device.","status":"published","published":"2022-05-24T17:36:18Z","modified":"2025-05-22T21:31:34Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:02:25.260816Z"}],"nvd":[{"id":"CVE-2020-27252","description":"Medtronic MyCareLink Smart 25000 is \n\nvulnerable to a race condition in the MCL Smart Patient Reader software update system, which allows unsigned firmware to be uploaded and executed on the Patient Reader. If exploited, an attacker could remotely execute code on the MCL Smart Patient Reader device, leading to control of the device.","status":"published","published":"2020-12-14T20:15:12.717Z","modified":"2026-06-17T03:09:03.333Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:06:27.73474Z"}]}}