THREATPORT/VULNERABILITY/CVE-2023-31222
CRITICAL SEVERITY

CVE-2023-31222

Paceart Optima vulnerability

CVSS
9.8
EPSS
28.3%
EPSS pct
98th
Exploited
No known
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 vendor
Medtronic
Affected product
Paceart Optima
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-502 — Deserialization of Untrusted Data
Published
2023-06-29

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 28.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2023-31222

  • Confirm whether Medtronic Paceart Optima is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2023-31222.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-31222

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-31222 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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