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CVE Record

CVE-2023-43208: NextGen Healthcare Mirth Connect before version 4.4.1 is vulnerable to unauthenticated remote code execution.

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.

CriticalCVSS 9.8Known exploitedUpdated
Glexia's TakeHuman reviewed

Security readout for executives and security teams

CVE-2023-43208 lets an unauthenticated remote attacker execute code on affected NextGen Healthcare Mirth Connect servers before version 4.4.1. It is critical because exploitation can compromise confidentiality, integrity, and availability without credentials or user interaction. Exposure is likely wherever Mirth Connect versions earlier than 4.4.1 remain deployed, especially if reachable over a network by untrusted users. The supplied CVE data does not provide CPEs or a complete affected-version matrix beyond “before 4.4.1.” Treat this as immediate remediation work. The vulnerability is critical, requires no credentials, has known exploitation evidence, and affects a system category that may process sensitive operational or healthcare data. Mitigation focus: Upgrade Mirth Connect to version 4.4.1 or later.; Check NextGen vendor guidance for any additional required hardening.; Restrict network access to trusted sources until remediation is complete..

Prepared
Reviewed

Michael Williams reviewed this cited source version on .

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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cwe · medium confidence lookup

CWE-502: Code execution behavior lookup

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cwe · medium confidence lookup

CWE-78: Command execution behavior lookup

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description · low confidence lookup

Execution behavior lookup

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cve · low confidence lookup

CVE-2023-43208 mapping review

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Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.8 (3.1)
Known Exploited
Yes
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CISA KEV status

Status
Known exploited
Source
CISA / ADP
Date added
Not provided

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2023-43208Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.