Open Dental before version 18.4 installs a mysql database and uses the default credentials of "root" with a blank password.

published 2018-12-12 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7589

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

Open Dental before version 18.4 installs a mysql database and uses the default credentials of "root" with a blank password. This allows anyone on the network with access to the server to access all database information.

Patch / fix

fixed in 1

opendental opendental 18.4

Exploit prediction

1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

Open Dental Open Dental

Classification

Weakness

CWE-255 Credentials Management Errors
CWE-521 Weak Password Requirements

References

tenable.com /security/research/tra-2018-44
third-party-advisory

Sources

CVE List CVE-2018-15719
NVD CVE-2018-15719

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary