CVE-2023-31222 in the critical feed json
Medtronic Paceart MSMQ Deserialization of Untrusted Data
published 2023-06-29 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-35537
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 28.5%
- EPSS 28.5% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
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.
Patch / fix
- medtronic paceart_optima 1.12
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSMA-23-180-01 updated cvss 9.8
Medtronic Paceart Optima System
-
Medtronic Paceart Optima <= 1.11affected: vendor fix, mitigation “As long as the Paceart Messaging Service remains disabled, the vulnerability will remain mitigated.” medtronic.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 23 mo ago
Exploit prediction
28.49% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Medtronic Paceart Optima
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
global.medtronic.com
/xg-en/product-security/security-bulletins/paceart-optima-system.html
mitigation, vendor-advisory
Sources
- CVE List CVE-2023-31222
- NVD CVE-2023-31222
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