CISA KEV · Known exploitedMedium

CVE-2019-6693

Fortinet FortiGate, fortios

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).

CVSS: 6.5
EPSS: 5.66%
CISA KEV: Listed
Published: 2019.11.22

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability5.66%

Technical severityCVSS 6.5

Vulnerability overview

Affected product and versions

Product: Fortinet FortiGate, fortios
Affected versions: >= 5.6.9 and below, >= 6.0.5 and below, >= 6.2.0, <= 5.6.10, >= 6.0.0 <= 6.0.6, 6.2.0
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA 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.

Due date: 2025.07.16

1
Identify
Confirm that Fortinet FortiGate, fortios and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE: CWE-798
KEV added: 2025.06.25
Ransomware use: 확인됨