CVE-2019-6693

CVE-2019-6693 is a medium-severity vulnerability in Fortinet Fortios with a CVSS 3.x base score of 6.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-06-25). The underlying weakness is classified as CWE-798.

Key facts

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).

Frequently asked questions

What is CVE-2019-6693?
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).
How severe is CVE-2019-6693?
CVE-2019-6693 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-6693 being actively exploited?
Yes. CVE-2019-6693 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-06-25, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2019-6693?
CVE-2019-6693 primarily affects Fortinet Fortios. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6693?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2019-6693 have an EU (EUVD) identifier?
Yes. CVE-2019-6693 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-16251. It is also flagged as exploited in the EUVD (since 2025-06-25).
When was CVE-2019-6693 published?
CVE-2019-6693 was published on 2019-11-21 and last updated on 2026-06-17.

References

Affected products (2)

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