Quantum Secular Labs / Blog / Advisories

CVE-2016-6531: Open Dental 16.1 and earlier has a hardcoded MySQL root password, which allows remote attackers to obtain…

CVE-2016-6531 is rated critical with a CVSS v3.0 base score of 9.8 and affects Opendental. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

Open Dental 16.1 and earlier has a hardcoded MySQL root password, which allows remote attackers to obtain administrative access by leveraging access to intranet TCP port 3306. NOTE: the vendor disputes this issue, stating that the "vulnerability note ... is factually false ... there is indeed a default blank password, but it can be changed ... We recommend that users change it, each customer receives direction.

Severity breakdown

CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Affected products

  • Opendental: up to and including 16.1

References