Medium severity · published Dec 17, 2021
CVE-2021-41843
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…
6.5
CVSS
12.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)12.7% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Openemr · Open-emr
6.0.0; 6.0.0; 6.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-41843
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-41843
Exploit
http://packetstormsecurity.com/files/165301/OpenEMR-6.0.0-6.1.0-dev-SQL-Injection.html
Exploit
http://seclists.org/fulldisclosure/2021/Dec/38
Exploit
https://trovent.github.io/security-advisories/TRSA-2109-01/TRSA-2109-01.txt
Exploit
https://trovent.io/security-advisory-2109-01
More from Openemr
9.9
CVE-2026-24848
OpenEMR Arbitrary File Write leading to Remote Code Execution
9.8
CVE-2026-24898
OpenEMR has an Unauthenticated MedEx Token Disclosure
9.8
CVE-2024-22611
OpenEMR 7.0.2 is vulnerable to SQL Injection via \openemr\library\classes\Pharmacy.class.php, \controllers\C_Pharmacy.class.php and \openemr\controller.php
9.8
CVE-2024-37734
An issue in OpenEMR 7.0.2 allows a remote attacker to escalate privileges viaa crafted POST request using the noteid parameter
9.8
CVE-2020-13567
Multiple SQL injection vulnerabilities exist in phpGACL 3.3.7