Medium 6.5HealthcarePublished Dec 16, 2021

CVE-2021-41843An authenticated SQL injection issue in the calendar search function of OpenEMR 6.0.0 before patch 3 allows an attacker to read data from all tables of the database via the parameter provider_id, as…

Updated under an hour ago (Oct 27, 2026, 8:50 AM ET)

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It affects open-emr openemr. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 12.65%, higher than 96% of scored CVEs. That is high: schedule it on your emergency patch path.

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Exploited in the last 30 days

An authenticated SQL injection issue in the calendar search function of OpenEMR 6.0.0 before patch 3 allows an attacker to read data from all tables of the database via the parameter provider_id, as demonstrated by the /interface/main/calendar/index.php?module=PostCalendar&func=search URI.

CVSS: 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 12.65% (percentile 96)
Assigned by: mitre
NVD analysis: Modified
Record last updated: Aug 3, 2024
First seen by InfoSec Signals: Oct 12, 2026

Affected products

Affected products

open-emr openemr open-emr:openemr	6.0.0; 6.0.0; 6.0.0	NVD

References

References

https://trovent.io/security-advisory-2109-01	x-refsource-misc, exploit, third-party-advisory
https://trovent.github.io/security-advisories/TRSA-2109-01/TRSA-2109-01.txt	x-refsource-misc, exploit, third-party-advisory
http://packetstormsecurity.com/files/165301/OpenEMR-6.0.0-6.1.0-dev-SQL-Injection.html	x-refsource-misc, exploit, third-party-advisory, vdb-entry
http://seclists.org/fulldisclosure/2021/Dec/38	mailing-list, x-refsource-fulldisc, exploit, 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.