How severe is CVE-2019-6693?

CVE-2019-6693 has a CVSS 3.1 base score of 6.5 (MEDIUM). EPSS estimates a 5.8% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2019-6693: Fortinet FortiOS Use of Hard-Coded Credentials

CISA Known Exploited Vulnerabilities

Fortinet FortiOS Use of Hard-Coded Credentials Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2025-06-25

Remediation due

2025-07-16

Ransomware

Known use

Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA notes
https://fortiguard.com/advisory/FG-IR-19-007 ; https://nvd.nist.gov/vuln/detail/CVE-2019-6693

Description

Use of a hard-coded cryptographic key to cipher sensitive data in FortiOS configuration backup file may allow an attacker with access to the backup file to decipher the sensitive data, via knowledge of the hard-coded key. The aforementioned sensitive data includes users' passwords (except the administrator's password), private keys' passphrases and High Availability password (when set).

Severity

CVSS 3.1 · CISA6.5 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impactpartial

Exploitation Context

as of October 13, 2026

All KEV statistics→

CISA added CVE-2019-6693 to the KEV catalog 2,043 days after its CVE record was published. The median for entries added in 2025 is 26 days.
It is one of 31 Fortinet entries in the CISA KEV catalog, and one of 8 added in 2025.
Its current EPSS score (5.8%) is higher than that of 20% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
Fortinet	Fortinet FortiGate	5.6.9 and below 6.0.5 and below 6.2.0

References

1 Links

Other references

https://fortiguard.com/advisory/FG-IR-19-007

Record Details

Published

2019-11-21

Last updated

2026-08-04

Assigner (CNA)

fortinet

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.