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TI-2023-23140 Aliases CVE-2023-43208GHSA-pj5c-qr29-6746

NextGen Healthcare Mirth Connect before version 4.4.1 is vulnerable to unauthenticated…

Priority CRITICAL 100Exploited in the wildCWE-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 · CISA ADP. Fix status from CNA. Impact type from CWE-502.

Summary

NextGen Healthcare Mirth Connect before version 4.4.1 is vulnerable to unauthenticated remote code execution. Note that this vulnerability is caused by the incomplete patch of CVE-2023-37679.

Why it matters now

Exploitation Active In CISA KEV since 2024-05-20CISA due date 2024-06-10Known ransomware use
EPSS 0.85886 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nextgen:mirth_connect:*:*:*:*:*:*:*:*before 4.4.1VulnerableNextgen
  • cpe:2.3:a:nextgen:mirth_connect:*:*:*:*:*:*:*:* Versions before 4.4.1 Vulnerable ·Nextgen

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2024-05-20 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2023-43208
  3. 2026-10-03 Alias added: GHSA-pj5c-qr29-6746

References

  • TI-2026-56921 NextGen Healthcare Mirth Connect Improper Restriction of XML External Entity Reference CVSS 4.0HIGH 8.7
  • TI-2026-54405 NextGen Healthcare Mirth Connect Improper Restriction of XML External Entity Reference CVSS 4.0HIGH 8.8
  • TI-2026-56925 NextGen Healthcare Mirth Connect SQL Injection CVSS 4.0HIGH 7.2

Sources