June 25, 2025 · Applied Cybernetics Group
CVE-2019-6693 — Fortinet FortiOS
known ransomware use
Fortinet FortiOS Use of Hard-Coded Credentials Vulnerability
- Added to KEV
2025-06-25- Federal due date
2025-07-16- Vendor
- Fortinet
- Product
- FortiOS
- EPSS
- 92.6th percentile (score 0.057, as of
2026-09-16) - NVD CVSS v3.1
- 6.5 (MEDIUM)
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2019-6693
CISA short description
Fortinet FortiOS contains a use of hard-coded credentials vulnerability that could allow an attacker to cipher sensitive data in FortiOS configuration backup file via knowledge of the hard-coded key.
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.
NVD 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).