{"id":"CVE-2023-31222","aliases":["EUVD-2023-35537","GHSA-g4h4-ww84-r75w"],"status":"published","title":"Medtronic Paceart MSMQ Deserialization of Untrusted Data","description":"Deserialization of untrusted data in Microsoft Messaging Queuing Service in Medtronic's Paceart Optima versions 1.11 and earlier on Windows allows an unauthorized user to impact a healthcare delivery organization’s Paceart Optima system cardiac device causing data to be deleted, stolen, or modified, or the Paceart Optima system being used for further network penetration via network connectivity.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.28495,"percentile":0.98145,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2023-06-29T15:19:22Z","modified":"2026-06-17T05:56:35Z","products":[{"vendor":"medtronic","product":"paceart optima"},{"vendor":"medtronic","product":"paceart_optima"}],"references":[{"url":"https://global.medtronic.com/xg-en/product-security/security-bulletins/paceart-optima-system.html","tags":["x_transferred","Mitigation","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31222"},{"url":"https://github.com/advisories/GHSA-g4h4-ww84-r75w"}],"sources":{"cve":[{"id":"CVE-2023-31222","title":"Medtronic Paceart MSMQ Deserialization of Untrusted Data","description":"Deserialization of untrusted data in Microsoft Messaging Queuing Service in Medtronic's Paceart Optima versions 1.11 and earlier on Windows allows an unauthorized user to impact a healthcare delivery organization’s Paceart Optima system cardiac device causing data to be deleted, stolen, or modified, or the Paceart Optima system being used for further network penetration via network connectivity.","status":"published","published":"2023-06-29T15:19:22.621Z","modified":"2024-11-26T19:27:36.479Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:35:27.430605Z"}],"euvd":[{"id":"EUVD-2023-35537","description":"Deserialization of untrusted data in Microsoft Messaging Queuing Service in Medtronic's Paceart Optima versions 1.11 and earlier on Windows allows an unauthorized user to impact a healthcare delivery organization’s Paceart Optima system cardiac device causing data to be deleted, stolen, or modified, or the Paceart Optima system being used for further network penetration via network connectivity.","status":"published","published":"2023-06-29T15:19:22Z","modified":"2024-11-26T19:27:36Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:46.610778Z"}],"ghsa":[{"id":"GHSA-g4h4-ww84-r75w","title":"Deserialization of untrusted data in Microsoft Messaging Queuing Service in Medtronic's Paceart...","description":"Deserialization of untrusted data in Microsoft Messaging Queuing Service in Medtronic's Paceart Optima versions 1.11 and earlier on Windows allows an unauthorized user to impact a healthcare delivery organization’s Paceart Optima system cardiac device causing data to be deleted, stolen, or modified, or the Paceart Optima system being used for further network penetration via network connectivity.","status":"published","published":"2023-06-29T18:30:57Z","modified":"2024-04-04T05:17:49Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:56:31.130891Z"}],"nvd":[{"id":"CVE-2023-31222","description":"Deserialization of untrusted data in Microsoft Messaging Queuing Service in Medtronic's Paceart Optima versions 1.11 and earlier on Windows allows an unauthorized user to impact a healthcare delivery organization’s Paceart Optima system cardiac device causing data to be deleted, stolen, or modified, or the Paceart Optima system being used for further network penetration via network connectivity.","status":"published","published":"2023-06-29T16:15:09.777Z","modified":"2026-06-17T05:56:35.577Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:08:14.715708Z"}]}}