Fortinet FortiOS Use of Hard-Coded Credentials Vulnerability
- Severity
- Medium6.5CVSS 3.1, Medium
- EPSS
- 6%
- Published
- 21 Nov 2019
- Updated
- 4 Aug 2026
Description
Title, description and vendor guidance are quoted from the source records.
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
Known exploited
Added to CISA KEV on 25 Jun 2025
Federal remediation due date: 16 Jul 2025
Known use in ransomware campaigns
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.
Exploit prediction
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
Affected products
Patcharo shows this vulnerability for information but does not match versions for this product yet.
- Fortinet FortiGate · 5.6.9 and below, 6.0.5 and below, 6.2.0
References
Provenance
Every fact on this page comes from the sources below. Nothing is written by an AI.
- Fortinet (CVE record)
- Fortinet (CVE record) · 27 Sept 2026, 23:46 UTC · Parser patcharo-cve5/1.1.0
- CISA Known Exploited Vulnerabilities
- CISA Known Exploited Vulnerabilities · 27 Sept 2026, 23:42 UTC · Parser patcharo-kev/1.0.0
- NVD
- NVD · 27 Sept 2026, 23:44 UTC · Parser patcharo-nvd/1.0.0
- FIRST EPSS
- FIRST EPSS · 27 Sept 2026, 23:46 UTC · Parser patcharo-epss/1.0.0
Last verified: 28 Sept 2026, 02:31 UTC