Is CVE-2019-5593 being actively exploited?

CVE-2019-5593 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2019-5593?

CVE-2019-5593 has a CVSS 3.1 base score of 5.5 (MEDIUM).

CVE-2019-5593

MEDIUM · CVSS 5.5EPSS 0.2%EU EUVD

Improper permission or value checking in the CLI console may allow a non-privileged user to obtain Fortinet FortiOS plaint text private keys of system's builtin local certificates via unsetting the keys encryption password in FortiOS 6.2.0, 6.0.0 to 6.0.6, 5.6.10 and below or for user uploaded local certificates via setting an empty password in FortiOS 6.2.1, 6.2.0, 6.0.6 and below.

Key facts

CVSS score: 5.5 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-755
EPSS score: 0.2% (8th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2019-15168)
Published: January 23, 2020
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2019-15168 in the EU Vulnerability Database. Last updated in EUVD on October 25, 2024.

View on the EU Vulnerability Database

Affected products

fortinet / fortios
fortinet / fortios

Certified products that may be affected

4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

FortiOS 5.6 - Fortinet, Inc. - FIPS 140 3639 - historical
FortiOS 5.2 - Fortinet, Inc. - FIPS 140 2765 - historical
FortiOS™ - Fortinet, Inc. - FIPS 140 1754 - historical
FortiOS - Fortinet, Inc. - FIPS 140 1431 - historical

References

https://fortiguard.com/psirt/FG-IR-19-134(Mitigation, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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