What is CVE-2019-15704?

CVE-2019-15704 is a medium-severity vulnerability in Fortinet Forticlient, classified under Missing Encryption of Sensitive Data. CVSS score: 5.5/10. Published 2019-11-21.

How severe is CVE-2019-15704?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Fortinet Forticlient

CVE-2019-15704

A clear text storage of sensitive information vulnerability in FortiClient for Mac may allow a local attacker to read sensitive information logged in the console window when the user connects to an SSL VPN Gateway.

Published 2019-11-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (8.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Fortinet Forticlient — versions 6.2.0
Fortinet Forticlient For Mac OS — versions FortiClient for Mac OS 6.2.0, 6.0.7

Weakness classification (CWE)

CWE-311 — Missing Encryption of Sensitive Data

References

fortiguard.com/advisory/FG-IR-19-227 (Vendor Advisory)

Frequently asked questions

What is CVE-2019-15704?: CVE-2019-15704 is a medium-severity vulnerability in Fortinet Forticlient, classified under Missing Encryption of Sensitive Data. CVSS score: 5.5/10. Published 2019-11-21.
How severe is CVE-2019-15704?: Medium severity. CVSS v3 base score is 5.5 out of 10.