Medium 5.4HealthcarePublished Jan 21, 2026

CVE-2021-47817OpenEMR 5.0.2.1 - Remote Code Execution

Updated under an hour ago (Oct 28, 2026, 7:50 AM ET)

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It affects OpenEMR Foundation, Inc. OpenEMR and 1 other product. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.81%, higher than 57% of scored CVEs.

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Every CVE for OpenEMR Foundation, Inc. OpenEMR

Exploited in the last 30 days

OpenEMR 5.0.2.1 contains a cross-site scripting vulnerability in user profile parameters that authenticated attackers can chain with a file upload to achieve remote code execution. Attackers can exploit the vulnerability by crafting a malicious payload to download and execute a web shell, enabling remote command execution on the vulnerable OpenEMR instance.

CVSS: 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.81% (percentile 57)
Assigned by: VulnCheck
NVD analysis: Modified
Record last updated: May 25, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

OpenEMR Foundation, Inc. OpenEMR openemr_foundation:openemr (from the name)	5.0.2.1	CNA record
open-emr openemr open-emr:openemr	5.0.2.1	NVD

References

References

https://www.exploit-db.com/exploits/49784	exploit, third-party-advisory, vdb-entry
https://www.open-emr.org/	product
https://sourceforge.net/projects/openemr/files/OpenEMR%20Current/5.0.2.1/openemr-5.0.2.tar.gz/download	product
https://blog.sonarsource.com/openemr-5-0-2-1-command-injection-vulnerability?utm_medium=cpc&utm_source=twitter&utm_campaign=openemr&utm_term=security&utm_content=tofu	vendor-advisory, exploit, patch, third-party-advisory
https://www.youtube.com/watch?v=H8VWNwWgYJo&feature=emb_logo	technical-description, exploit
https://www.vulncheck.com/advisories/openemr-remote-code-execution	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.