What’s Vulnerable › Vulnerabilities

CVE-2021-41843

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 12.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-17 · updated 2026-06-17
• Weakness: CWE-89

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.

Affected products

• openemr: 6.0.0, 6.0.0-patch_1, 6.0.0-patch_2

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
• 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

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