OpenEMR vulnerable to authentication bypass


OpenEMR is an electronic health records and medical practice management application. OpenEMR contains an authentication bypass vulnerability (CWE-302).

Shoji Baba reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products

  • OpenEMR 2.8.3 to 4.2.0 patch 1


Sensitive information may be obtained by a remote attacker who can access the web interface of the product.

[Update the software and apply the patch]
This vulnerability has been addressed in OpenEMR 4.2.0 patch 2.
Update the software and then apply the patch according to the information provided by the developer.
Vendor Information

CWE (What is CWE?)

  1. Improper Authentication(CWE-287) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-4453

  1. JVN : JVN#22677713
  2. National Vulnerability Database (NVD) : CVE-2015-4453
Revision History

  • [2015/06/30]
      Web page was published
      References : Content was added