{"id":"CVE-2023-43208","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-43208","generatedAt":"2026-10-31T10:24:57.254Z","title":"NextGen Healthcare Mirth Connect Deserialization of Untrusted Data Vulnerability","description":"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.","published":"2023-10-26T17:15:09.000Z","lastModified":"2026-06-17T06:25:15.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78","CWE-502"],"affected":["nextgen/mirth connect"],"epss":{"score":0.85423,"percentile":0.9972,"date":"2026-10-30","history":[{"date":"2026-10-26","score":0.85423,"percentile":0.99717}]},"kev":{"listed":true,"dateAdded":"2024-05-20","dueDate":"2024-06-10","knownRansomwareCampaignUse":"Known","notes":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.\nThis vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status.   For more information, please see: https://github.com/nextgenhealthcare/connect/wiki/4.4.1---What%27s-New ;  https://nvd.nist.gov/vuln/detail/CVE-2023-43208"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 10 June 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/176920/Mirth-Connect-4.4.0-Remote-Command-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.horizon3.ai/nextgen-mirth-connect-remote-code-execution-vulnerability-cve-2023-43208/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/176920/Mirth-Connect-4.4.0-Remote-Command-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.horizon3.ai/nextgen-mirth-connect-remote-code-execution-vulnerability-cve-2023-43208/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43208","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-43208","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}