CVE-2023-43208

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.854 · 100 %ileexploit · weaponizedEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 14 exploits · weaponized

Likely / severe?

85.4% (100th) EPSS

CVSS 9.8 · critical

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2024-05-20remediate by 2024-06-10

required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-26

NextGen Healthcare Mirth Connect Deserialization of Untrusted Data Vulnerability

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.

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

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

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:Hsecondaryexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78USprimaryCWE-264USCWE-269USCWE-284USCWE-502US

exploits (14)

Public proof-of-concept and weaponised exploit code.

exploit/multi/http/mirth_connect_cve_2023_43208Mirth Connect Deserialization RCEweaponized · metasploit
4nuxd/CVE-2023-43208A PoC exploit for CVE-2023-43208 - Mirth Connect Remote Code Execution (RCE)PoC · poc_in_github
Avento/CVE-2023-43208_Detection_PoCUse java.net.InetAddress for detectionPoC · poc_in_github
Criz117/CVE-2023-43208-PoCProof‑of‑concept Python script demonstrating CVE‑2023‑43208 in Mirth Connect, allowing version checks and command execution on vulnerable instances.PoC · poc_in_github
D3m0nicw0lf/CVE-2023-43208mirth-connect-rce-pocPoC · poc_in_github
Humberto-pixel/CVE-2023-43208-PoCExplota vulnerabilidadPoC · poc_in_github

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
NextGen Healthcare, Inc. Mirth Connect≤ 4.4.1fstec_bduRU
nextgen mirth connect< 4.4.1nvdUScpe:2.3:a:nextgen:mirth_connect:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2023-10-26modified 2026-06-17

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references (9)

External citations — patches, advisories, analysis.

scry

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