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PatchSiren cyber security CVE debrief

CVE-2023-43208 NextGen Healthcare CVE debrief

CVE-2023-43208 affects NextGen Healthcare Mirth Connect and is identified by CISA as a Known Exploited Vulnerability as of 2024-05-20. CISA also marks this issue as associated with known ransomware campaign use. Because the supplied sources do not include a vendor patch advisory in the corpus, the safest defensive posture is to follow vendor mitigation guidance from the official NextGen Healthcare resources referenced by CISA, and to discontinue use if mitigations are not available.

Vendor
NextGen Healthcare
Product
Mirth Connect
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2024-05-20
Original CVE updated
2024-05-20
Advisory published
2024-05-20
Advisory updated
2024-05-20

Who should care

Security, patch management, and operations teams responsible for NextGen Healthcare Mirth Connect deployments, especially organizations that depend on the platform for healthcare integration workflows.

Technical summary

The vulnerability is described at a high level as a deserialization of untrusted data issue in NextGen Healthcare Mirth Connect. The supplied corpus does not provide exploit mechanics, affected versions, or remediation version details, so conclusions should be limited to the KEV designation and the vendor/official references provided by CISA.

Defensive priority

High. CISA included this CVE in the Known Exploited Vulnerabilities catalog and set a remediation due date of 2024-06-10, indicating active exploitation risk and a need for prompt action.

Recommended defensive actions

  • Check whether any instance of NextGen Healthcare Mirth Connect is deployed in your environment.
  • Review the official NextGen Healthcare release notes and vendor guidance referenced by CISA for mitigation or update instructions.
  • Apply vendor mitigations as soon as feasible; if mitigations are unavailable, follow CISA guidance to discontinue use of the product.
  • Prioritize remediation before the CISA due date of 2024-06-10 for assets that remain in service.
  • Validate that compensating controls, monitoring, and incident response playbooks cover this product while remediation is underway.

Evidence notes

Evidence is limited to the supplied CVE metadata and the CISA KEV source item. The KEV entry identifies the vendor/product, classifies the issue as a deserialization of untrusted data vulnerability, records dateAdded 2024-05-20 and dueDate 2024-06-10, and states known ransomware campaign use: Known. The source item also points to the official NextGen Healthcare release notes/wiki and the NVD record as reference material. No additional technical specifics were included in the supplied corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-43208 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-43208

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2023-43208 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-43208

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.