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Vulnerability record · CVE-2021-41843 · published 17 December 2021

CVE-2021-41843: Open-emr openemr sql injection vulnerability

Open Emr · Openemr

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.

6.5 CVSS 3.1 Medium EPSS 14% · top 3.6% CWE-89 · SQL injection
6.5CVSS 3.1 base score, v2 6.8
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 8 tagged exploit
17 Jun 2026Last modified by NVD

Description

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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/165301/OpenEMR-6.0.0-6.1.0-dev-SQL-Injection.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2021/Dec/38 ExploitMailing ListThird Party Advisory
https://trovent.github.io/security-advisories/TRSA-2109-01/TRSA-2109-01.txt ExploitThird Party Advisory
https://trovent.io/security-advisory-2109-01 ExploitThird Party Advisory
http://packetstormsecurity.com/files/165301/OpenEMR-6.0.0-6.1.0-dev-SQL-Injection.html ExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2021/Dec/38 ExploitMailing ListThird Party Advisory
https://trovent.github.io/security-advisories/TRSA-2109-01/TRSA-2109-01.txt ExploitThird Party Advisory
https://trovent.io/security-advisory-2109-01 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-41843), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.