This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis β
Q1What is this vulnerability? (Essence + Consequences)
π¨ **Essence**: OpenEMR has a critical **OS Command Injection** flaw in its backup feature.β¦
π‘οΈ **Root Cause**: **CWE-78** (Improper Neutralization of Special Elements used in an OS Command). The backup function fails to sanitize inputs, allowing malicious code injection into system shell commands.
Q3Who is affected? (Versions/Components)
π₯ **Affected**: **OpenEMR** versions **prior to 8.0.0.2**. This includes the core medical management system, EHR, and billing modules. π **Published**: 2026-03-19.
Q4What can hackers do? (Privileges/Data)
π **Attacker Capabilities**: With valid credentials, hackers gain **High Privilege**. They can read/modify sensitive patient data (PHI), alter billing records, and execute commands with the web server's privileges.β¦
π **Threshold**: **Medium**. Requires **Authenticated Access** (PR:H). You cannot exploit this anonymously. However, once logged in, the attack is **Low Complexity** (AC:L) and requires no user interaction (UI:N).
Q6Is there a public Exp? (PoC/Wild Exploitation)
π¦ **Public Exploit**: **No PoC available** in the provided data. While the vulnerability is confirmed via GitHub Advisory, no public Proof-of-Concept code or wild exploitation scripts are listed yet. π΅οΈββοΈ
Q7How to self-check? (Features/Scanning)
π **Self-Check**: Scan for OpenEMR instances. Check the **version number** in the footer or admin panel. If it is < **8.0.0.2**, you are vulnerable.β¦
β **Fix Status**: **Yes, Fixed**. The vendor released a patch. Update immediately to **OpenEMR 8.0.0.2** or later. See GitHub Advisory GHSA-6pmc-3xm7-pm86 for details. π οΈ
Q9What if no patch? (Workaround)
π§ **Workaround**: If patching is impossible, **disable the Backup feature** entirely if not needed.β¦