Fortinet FortiOS Use of Hard-Coded Credentials Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

MEDIUM

6.5 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation Likelihood

EPSS Prediction

71.27 %

Predictive Probability

Percentile Rank

98.7 th

Documented as more likely to be exploited than 98.7% of known CVEs.

Detection Date

Jun 25, 2025

Remediation Due

Jul 16, 2025

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Asset Context

Vendor Identity

Fortinet

Affected Product

FortiOS

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-798

External Intelligence

https://fortiguard.com/advisory/FG-IR-19-007

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2019-6693