Vulnerability Name:

CVE-2016-6531 (CCN-116620)

Assigned:2016-09-06
Published:2016-09-06
Updated:2026-06-17
Summary: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.
CVSS v40 Severity:
CVSS v3.x Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.6 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.6 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-255
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2016-6531

Source: af854a3a-2127-422b-91ae-364da2661108
Type: UNKNOWN
af854a3a-2127-422b-91ae-364da2661108

Source: CCN
Type: US-CERT VU#619767
Open Dental contains hard-coded credentials

Source: cret@cert.org
Type: UNKNOWN
cret@cert.org

Source: af854a3a-2127-422b-91ae-364da2661108
Type: UNKNOWN
af854a3a-2127-422b-91ae-364da2661108

Source: cret@cert.org
Type: UNKNOWN
cret@cert.org

Source: CCN
Type: Open Dental Web site
Open Dental

Source: af854a3a-2127-422b-91ae-364da2661108
Type: UNKNOWN
af854a3a-2127-422b-91ae-364da2661108

Source: CCN
Type: BID-92780
Open Dental CVE-2016-6531 Hardcoded Credentials Security Bypass Vulnerability

Source: cret@cert.org
Type: UNKNOWN
cret@cert.org

Source: XF
Type: UNKNOWN
opendental-cve20166531-default-account(116620)

Vulnerable Configuration:Configuration 1:
  • cpe:2.3:a:opendental:opendental:*:*:*:*:*:*:*:* (Version <= 16.1)

    • * Denotes that component is vulnerable
    BACK
    opendental opendental *