Authentication bypass vulnerability in portal/account/register.php in versions of OpenEMR before 5.0.1.4 allows a remote attacker to access (1) portal/add_edit_event_user.php, (2) portal/find_appt_popup_user.php, (3) portal/get_allergies.php, (4) portal/get_amendments.php, (5) portal/get_lab_results.php, (6) portal/get_medications.php, (7) portal/get_patient_documents.php, (8) portal/get_problems.php, (9) portal/get_profile.php, (10) portal/portal_payment.php, (11) portal/messaging/messages.php, (12) portal/messaging/secure_chat.php, (13) portal/report/pat_ledger.php, (14) portal/report/portal_custom_report.php, or (15) portal/report/portal_patient_report.php without authenticating as a patient.
Conclusion & alert: CVE-2018-15152 is rated High Exploit Risk (83.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 8.65%, 92th percentile). Core evidence: 4 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 50017 | exploit_db | edb | 2021-06-16 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-01 | 9.06% | 8.65% | -0.41% |
| 2 | 2026-02-03 | 12.04% | 9.06% | -2.98% |
| 3 | 2026-01-15 | — | 12.04% | — |
Full EPSS history (30 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | [email protected] |
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/163181/OpenEMR-5.0.1.3-Authentication-Bypass.html | Exploit Third Party Advisory VDB Entry |
| https://github.com/Hacker5preme/Exploits/tree/main/CVE-2018-15152-Exploit | Exploit Third Party Advisory |
| https://github.com/openemr/openemr/pull/1758/files | Patch Third Party Advisory |
| https://insecurity.sh/reports/openemr.pdf | URL Repurposed |
| https://www.databreaches.net/openemr-patches-serious-vulnerabilities-uncovered-by-project-insecurity/ | Exploit Third Party Advisory |
| https://www.open-emr.org/wiki/index.php/OpenEMR_Patches | Patch Release Notes Vendor Advisory |