ClosedCriticalPatched

Fortinet FortiOS: FortiOS Use of Hard-Coded Credentials Vulnerability

Fortinet FortiOS

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. Added to CISA KEV on 2025-06-25.

Why this severity: CVSS 6.5 (CISA ADP, v3.1); actively exploited (CISA KEV); known ransomware use

Started: Jun 25, 2025
Closed: Jun 25, 2025
CVE: CVE-2019-6693

Follow this incident

Updated Jun 25, 2025

Affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

Fixed in

See vendor advisory linked in sources

Timeline1

Jun 25, 2025
CISA added CVE-2019-6693 to the KEV catalog (due 2025-07-16).

Advisories3

Notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025).

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