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Vulnerabilities

MediumKEVRansomware

CVE-2019-6693 — Fortinet FortiOS Use of Hard-Coded Credentials Vulnerability

CVE-2019-6693 · Fortinet FortiGate · CVSS 6.5 · KEV

In brief

Severity · CVSS
Medium6.5CVSS 3.1, Medium
EPSS
6%
CISA KEV
Known exploited, listed since 25 Jun 2025
CERT-FR
No advisory or alert referenced in the catalog
Vendor
Fortinet
Published · Modified
·
Last verified

Summary

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).

Weakness: CWE-798

Title, description and the vendor's statements are quoted from the CVE record; a vendor's advisory is summarised in Patcharo's words, with a link.

Affected and fixed versions

Per product and release branch, as the vendor's CVE record and official advisory state them. A fixed release is shown only when a document names it: the vendor's, or CERT-FR's for Check Point, with its source.

3 branches without a precise fixed release

No precise fixed release is published in the sources Patcharo follows.

Fortinet FortiGate

Source: CVE-2019-6693

  1. 6.2
    Affected versions6.2.0
    First fixed releaseNot published in the sources followed
  2. 6.0
    Affected versionsListed as affected, releases not specified
    First fixed releaseNot published in the sources followed
  3. 5.6
    Affected versionsListed as affected, releases not specified
    First fixed releaseNot published in the sources followed

No precise fixed release is published for this product in the sources Patcharo follows.

Remediation

Vendor guidance

CISA KEV 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 due date:

SourceCISA KEV

Vendor advisory

The vendor has published an advisory for this CVE: check it for fixed releases and mitigations.

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

Last verified 1 Oct 2026 at 09:30 UTC

Known exploitation

Added to CISA KEV on 25 Jun 2025

Federal remediation due date: 16 Jul 2025

Known use in ransomware campaigns

The CISA required action is shown under Remediation.

6% probability of exploitation in the next 30 days (percentile 93%).

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

CERT-FR

No CERT-FR advisory or alert of the last two years references this CVE, for the vendors Patcharo covers.

Timeline

  1. Published by the source
  2. Added to CISA KEV
  3. CISA remediation due date
  4. Source record last modified
  5. EPSS score computed
  6. Last verified by Patcharo

Official sources

Vendor advisory

References

Fortinet · CISA Known Exploited Vulnerabilities · NVD · FIRST EPSS

How Patcharo reads this

Affected and fixed releases come from the vendor's structured statements and are matched against exact versions; CVSS from NVD, exploitation from CISA KEV and the vendor's own advisory, probability from FIRST EPSS. Missing data stays Unknown and never becomes Not affected.

Read the methodologyRead the guide: FortiOS version numbering: branches, patch releases and the Feature and Mature labels