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Vulnerability record · CVE-2023-31222 · published 29 June 2023

CVE-2023-31222: Medtronic paceart optima deserialization of untrusted data vulnerability

Medtronic · Paceart Optima

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.

8.8 CVSS 3.1 High EPSS 28% · top 1.9% CWE-502 · Deserialization of untrusted data
8.8CVSS 3.1 base score
28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://global.medtronic.com/xg-en/product-security/security-bulletins/paceart-optima-system.html MitigationVendor Advisory
https://global.medtronic.com/xg-en/product-security/security-bulletins/paceart-optima-system.html MitigationVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2023-31222), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.