S4E

OpenEMR Default Login Scanner

This scanner detects the use of OpenEMR default logins in digital assets.

Short Info


Level

High

Single Scan

Single Scan

Can be used by

Asset Owner

Estimated Time

1 minute

Time Interval

18 days 17 hours

Scan only one

Domain, IPv4

Toolbox

-

OpenEMR is a widely used medical practice management software with electronic health records capabilities, primarily utilized by healthcare facilities to manage patient records, billing, and scheduling. This open-source solution is favored for its flexibility and cost-efficiency, offering a robust platform for clinics worldwide. Key users include small to medium-sized healthcare providers seeking comprehensive management solutions. The software aids in improving clinical workflows, enhancing patient care, and ensuring compliance with healthcare regulations. Its popularity stems from the extensive feature set and the ability to custom-tailor functionalities to meet specific medical practice needs. As healthcare technology evolves, OpenEMR continues to be an integral part of digital medical record-keeping.

The vulnerability detected is a Default Login issue, where the software is susceptible to unauthorized access using default credentials. This vulnerability is common in systems where users do not change the default admin passwords after installation, leaving accounts open to malicious actors. Attackers can exploit this to gain unauthorized access, posing significant security risks to sensitive medical data. Default Login vulnerabilities are often targeted by automated scripts scanning for exposed administrative interfaces. If successfully exploited, attackers may obtain admin-level access, potentially compromising system integrity. It is critical to address these vulnerabilities promptly to avoid unauthorized access and potential data breaches.

In terms of technical specifics, the Default Login vulnerability in OpenEMR is associated with exposed endpoints that utilize default credentials such as "admin" with "pass". Attackers utilize crafted HTTP POST requests to authenticate using these default credentials. The vulnerable endpoint is typically accessed through "main_screen.php?auth=login&site=default" path. Effective exploitation requires identifying servers that have default OpenEMR installations without changed credentials. The template matcher utilizes status checks and word conditions within HTTP headers to verify successful logins achieved via default credential usage. Mitigating this requires ensuring that all default usernames and passwords are replaced post-installation.

When exploited, the Default Login vulnerability in OpenEMR can lead to unauthorized administrative access. This access can be exploited to manipulate or export sensitive health records, introducing privacy violations and regulatory compliance issues. Attackers can modify system configurations, disrupt healthcare workflows, and potentially cause denial of service. The inclusion of malicious scripts or changes could lead to further compromises within connected networks or systems. Additionally, this access might be used to conduct reconnaissance, escalating further attacks targeting both the OpenEMR installation and associated healthcare IT infrastructure.

REFERENCES

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