Cyber Resilience

CVE-2021-41843

MediumPublic PoC

Published: 17 December 2021

Published
17 December 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0017 38.5th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-41843 is a medium-severity SQL Injection (CWE-89) vulnerability in Open-Emr Openemr. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 38.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-89

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

open-emr
openemr
6.0.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-89

Penetration testing uses SQL injection payloads against database interfaces, identifying and supporting fixes for SQL injection weaknesses.

SI-10 Information Input Validation
addresses: CWE-89

Validates query inputs to prevent SQL syntax or command manipulation.

References