CVE-2023-37679

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-08-03. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 99%
  • Public exploit code is available (Metasploit, epss top5pct, epss high, public exploit)
CISA-KEV: Not listedEPSS PROB: 99%CVSS: 9.8Exploit: Metasploit · epss top5pct · epss high · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A remote command execution (RCE) vulnerability in NextGen Mirth Connect v4.3.0 allows attackers to execute arbitrary commands on the hosting server.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
87(Track*)
EG Risk 87/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation96% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
99%
EPSS %ILE
100%
KEV
Not listed

Published

August 3, 2023

Last Modified

July 9, 2026

Advisory Details (3)

Auto-updated Jul 26, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Mirth Connect

https://www.ihteam.net/advisory/mirth-connect
generic

Cloud EHR & PM for Specialty Practices | NextGen

http://nextgen.com
generic

Healthcare Integration Engine | Mirth® Connect by NextGen Healthcare

http://mirth.com

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 16× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-24 14:16 UTCEPSS rescore
  2. 2026-07-23 02:24 UTCEG score recompute
  3. 2026-07-22 23:11 UTCEG score recompute
  4. 2026-07-21 15:23 UTCEPSS rescore
  5. 2026-07-21 15:23 UTCEPSS rescore
  6. 2026-07-15 13:49 UTCOSV refresh
  7. 2026-07-09 19:08 UTCEPSS rescore
  8. 2026-07-09 19:08 UTCEPSS rescore
  9. 2026-07-09 02:56 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  10. 2026-07-09 01:24 UTCMITRE cvelistV5
  11. 2026-07-05 17:59 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  12. 2026-07-05 16:09 UTCMITRE cvelistV5
  13. 2026-07-01 15:04 UTCEPSS rescore
  14. 2026-06-30 23:21 UTCEPSS rescore
  15. 2026-06-30 23:21 UTCEPSS rescore
  16. 2026-06-27 14:04 UTCOSV refresh
  17. 2026-06-25 13:48 UTCEPSS rescore
  18. 2026-06-25 13:48 UTCEPSS rescore
  19. 2026-06-23 21:31 UTCEPSS rescore
  20. 2026-06-23 21:31 UTCEPSS rescore
  21. 2026-06-15 17:47 UTCEPSS rescore
  22. 2026-06-14 23:16 UTCEPSS rescore
  23. 2026-06-10 22:17 UTCEPSS rescore
  24. 2026-06-10 13:21 UTCEPSS rescore
  25. 2026-06-10 00:47 UTCOSV refresh
Show 9 more
  1. 2026-06-08 14:16 UTCEPSS rescore
  2. 2026-06-08 14:15 UTCEPSS rescore
  3. 2026-06-02 20:12 UTCEPSS rescore
  4. 2026-06-02 20:12 UTCEPSS rescore
  5. 2026-06-02 20:12 UTCEPSS rescore
  6. 2026-05-29 13:43 UTCEPSS rescore
  7. 2026-05-29 13:43 UTCEPSS rescore
  8. 2026-05-24 20:15 UTCEG score recompute
  9. 2026-05-24 20:15 UTCGHSA enrichment

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Metasploitexploit/multi/http/mirth_connect_cve_2023_43208✓ verified
    First seen Oct 25, 2023

    Mirth Connect Deserialization RCE

    Open source ↗
  • Nucleihttp/cves/2023/CVE-2023-37679.yaml
    First seen Jan 1, 2023

    NextGen Mirth Connect - Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-37679?
CVE-2023-37679 is a critical vulnerability published on August 3, 2023. A remote command execution (RCE) vulnerability in NextGen Mirth Connect v4.3.0 allows attackers to execute arbitrary commands on the hosting server.
When was CVE-2023-37679 disclosed?
CVE-2023-37679 was first published in the National Vulnerability Database on August 3, 2023, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-37679 actively exploited?
CVE-2023-37679 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99% probability of exploitation in the next 30 days, which ranks it in the top 0.1% of all scored CVEs.
What is the CVSS score of CVE-2023-37679?
CVE-2023-37679 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-37679?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-37679, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-37679

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