CVE-2023-31222

Medtronic Paceart MSMQ Deserialization of Untrusted Data

HIGH
8.8
CVSS Score
Published: June 29, 2023 at 03:19 PM UTC
Updated: June 17, 2026 at 05:56 AM UTC
1 product affected across 1 vendorPaceart Optima

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Severity
HIGH8.8
Exploit prediction
EPSS 28%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.11v < 1.12
Affected range stops below 1.12, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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