Exploited vulnerability · CISA KEV

Is CVE-2023-43208 exploited? Yes: in CISA KEV since 20 May 2024

Gociux · NextGen Healthcare Mirth Connect · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2023-43208, NextGen Healthcare Mirth Connect Deserialization of Untrusted Data Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 20 May 2024, 207 days after it was published. It is known to be used in ransomware campaigns. It affects NextGen Healthcare Mirth Connect. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What it is

NextGen Healthcare Mirth Connect contains a deserialization of untrusted data vulnerability that allows for unauthenticated remote code execution via a specially crafted request.

What to do

1. Check whether you run it. Look for Mirth Connect in your asset inventory, including appliances and cloud images. Stack check lists every exploited NextGen Healthcare CVE at once.
2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 26 Oct 2023.
4. Get told next time. Email alerts when CISA adds a CVE for NextGen Healthcare.

References

• nvd.nist.gov/vuln/detail/CVE-2023-43208

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in May 2024 · act-now radar.