{"cve":"CVE-2021-41843","nvd":{"published":"2021-12-17T04:15:38.810","modified":"2026-06-17T04:09:00.370","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-89"],"references":["http://packetstormsecurity.com/files/165301/OpenEMR-6.0.0-6.1.0-dev-SQL-Injection.html","http://seclists.org/fulldisclosure/2021/Dec/38","https://trovent.github.io/security-advisories/TRSA-2109-01/TRSA-2109-01.txt","https://trovent.io/security-advisory-2109-01","http://packetstormsecurity.com/files/165301/OpenEMR-6.0.0-6.1.0-dev-SQL-Injection.html"],"products":["open-emr:openemr"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-41843","score":0.12655,"percentile":0.96252,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}