CVE-2023-31222

Name: CVE-2023-31222
Creator: NVD / NIST
Published: 2023-06-29T16:15:09.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 25.80%

Last modified Jun 17, 2026

CVE-2023-31222 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 25.80% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

25.80%

97.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Medtronic	Paceart Optima	< 1.12

References

https://global.medtronic.com/xg-en/product-security/security-bulletins/paceart-optima-system.htmlMitigation, Vendor Advisory
https://global.medtronic.com/xg-en/product-security/security-bulletins/paceart-optima-system.htmlMitigation, Vendor Advisory

Timeline

Published: Jun 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31222?

How severe is CVE-2023-31222?

CVE-2023-31222 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 25.80% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31222?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-31222?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST