Open Dental 16.1 and earlier has a hardcoded MySQL root password, which allows remote…
Priority MEDIUM 54CWE-255Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02489 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:opendental:opendental:*:*:*:*:*:*:*:* | up to 16.1 | Vulnerable | Open Dental |
- cpe:2.3:a:opendental:opendental:*:*:*:*:*:*:*:* Versions up to 16.1 Vulnerable ·Open Dental
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-6531
- 2026-10-03 Alias added: GHSA-7j86-635w-m5fj
References
More Open Dental Opendental vulnerabilities
- TI-2018-11207 Credentials management flaw in Open Dental CVSS 3.0CRITICAL 9.8
- TI-2018-11206 Information disclosure in Open Dental CVSS 3.0HIGH 7.5
- TI-2018-11205 Open Dental before version 18.4 stores user passwords as base64 encoded MD5 hashes. CVSS 3.0MEDIUM 5.3
Sources
- CVE-2016-6531 · CVE Program
- CVE-2016-6531 · NVD
- FIRST EPSS
- GHSA-7j86-635w-m5fj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences