What is CVE-2023-31222?

CVE-2023-31222 is a critical-severity vulnerability in Medtronic Paceart Optima, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-06-29.

How severe is CVE-2023-31222?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Medtronic Paceart Optima

CVE-2023-31222

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.283 (97.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Medtronic Paceart Optima — versions Versions 1.11 and earlier
Medtronic Paceart_optima

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

security@medtronic.com (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2023-31222?: CVE-2023-31222 is a critical-severity vulnerability in Medtronic Paceart Optima, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-06-29.
How severe is CVE-2023-31222?: Critical severity. CVSS v3 base score is 9.8 out of 10.