What is CVE-2018-15717?

CVE-2018-15717 is a medium-severity vulnerability in Open Dental, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 5.3/10. Published 2018-12-12.

How severe is CVE-2018-15717?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Open Dental

CVE-2018-15717

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

Published 2018-12-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Open Dental — versions 18.3 and below
Opendental

Weakness classification (CWE)

References

www.tenable.com/security/research/tra-2018-44 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-15717?: CVE-2018-15717 is a medium-severity vulnerability in Open Dental, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 5.3/10. Published 2018-12-12.
How severe is CVE-2018-15717?: Medium severity. CVSS v3 base score is 5.3 out of 10.