CVE-2023-31222

highpriority · attend · 45EPSS 0.285 · 98 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

28.5% (98th) EPSS

CVSS 8.8 · high

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedPaceart Optimacisa_csaf_ot
Medtronic recommends updating the Paceart Optima system to v1.12. Contact Medtronic to schedule the update. (mailto:dl.paceartupdate@medtronic.com)
MitigationPaceart Optimacisa_csaf_ot
As long as the Paceart Messaging Service remains disabled, the vulnerability will remain mitigated.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · security@medtronic.comexploitability 3.9 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USprimaryCWE-502USCWE-502US

affected products (5)

Products and version ranges known to be affected.

Paceart Optima: <= 1.11all versionscisa_csaf_otUS
Medtronic Paceart Optima≤ 1.11cisa_csaf_otUS
Medtronic Paceart Optima≤ Versions 1.11 and earlierenisa_euvdEU
Medtronic Paceart Optima≤ 1.11fstec_bduRU
medtronic paceart optima< 1.12nvdUScpe:2.3:a:medtronic:paceart_optima:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSMA-23-180-01Medtronic Paceart Optima System2023-06-29icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could result in remote code execution or a denial-of-service condition impacting a healthcare delivery organization's Paceart Optima system.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2023-06-29modified 2026-06-17

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references (4)

External citations — patches, advisories, analysis.

scry

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