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TI-2023-14928 Aliases CVE-2023-31222GHSA-g4h4-ww84-r75w

Medtronic Paceart MSMQ Deserialization of Untrusted Data

Priority HIGH 72CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.28495 98th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MedtronicPaceart Optima up to 1.11—No fix listedCNA
  • Paceart Optima VendorMedtronic Affected up to 1.11 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:medtronic:paceart_optima:*:*:*:*:*:windows:*:*before 1.12VulnerableMedtronic
  • cpe:2.3:a:medtronic:paceart_optima:*:*:*:*:*:windows:*:* Versions before 1.12 Vulnerable ·Medtronic

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-31222
  2. 2026-10-03 Alias added: GHSA-g4h4-ww84-r75w

References

Sources