Open Dental before version 18.4 stores user passwords as base64 encoded MD5 hashes.

published 2018-12-12 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7587

cvss: 5.3; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

Patch / fix

fixed in 1

opendental opendental 18.4

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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-916 Use of Password Hash With Insufficient Computational Effort
CWE-522 Insufficiently Protected Credentials

References

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

Sources

CVE List CVE-2018-15717
NVD CVE-2018-15717

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