Known Exploited Vulnerability
6.5
MEDIUM CVSS 3.1
CVE-2019-6693
Fortinet FortiOS Use of Hard-Coded Credentials Vulnerability - [Actively Exploited]
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).

INFO

Published Date :

Nov. 21, 2019, 4:15 p.m.

Last Modified :

July 30, 2025, 7:01 p.m.

Remotely Exploit :

Yes !
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

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.

Notes :

https://fortiguard.com/advisory/FG-IR-19-007 ; https://nvd.nist.gov/vuln/detail/CVE-2019-6693

Affected Products

The following products are affected by CVE-2019-6693 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fortinet fortios
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
The FortiOS is vulnerable to a hard-coded cryptographic key issue, which may allow an attacker to decipher sensitive data. This requires an upgrade to the latest version and a configuration change.
  • Upgrade FortiOS to version 5.6.11, 6.0.7, 6.2.1, or later.
  • Set the private-data-encryption attribute following vendor instructions.
Public PoC/Exploit Available at Github

CVE-2019-6693 has a 7 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-6693.

URL Resource
https://fortiguard.com/advisory/FG-IR-19-007 Mitigation Vendor Advisory
https://fortiguard.com/advisory/FG-IR-19-007 Mitigation Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-6693 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-6693 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Python

Updated: 2 days, 1 hour ago
0 stars 0 fork 0 watcher
Born at : Aug. 26, 2025, 3:15 a.m. This repo has been linked 1 different CVEs too.

监控Github最新网络安全相关的仓库...

cve cybersecurity github spider

Shell Python Nix

Updated: 2 days ago
22 stars 3 fork 3 watcher
Born at : May 9, 2025, 2:29 p.m. This repo has been linked 24 different CVEs too.

CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.

Python

Updated: 3 days, 21 hours ago
2 stars 1 fork 1 watcher
Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 205 different CVEs too.

An authorized remote user with access or knowledge of the standard encryption key can gain access and decrypt the FortiOS backup files and all non-administator passwords, private keys and High Availability passwords.

Python

Updated: 3 months, 1 week ago
19 stars 5 fork 5 watcher
Born at : Dec. 8, 2023, 11 a.m. This repo has been linked 1 different CVEs too.

Decrypt reversible secrets encrypted using the default hardcoded key related to CVE-2020-9289 on FortiAnalyzer/FortiManager (the only difference with CVE-2019-6693 is the encryption routine).

Python

Updated: 7 months ago
11 stars 3 fork 3 watcher
Born at : June 30, 2023, 8:48 a.m. This repo has been linked 2 different CVEs too.

Decrypt FortiGate configuration secrets

Python

Updated: 2 months ago
7 stars 4 fork 4 watcher
Born at : Dec. 21, 2021, 3:28 p.m. This repo has been linked 1 different CVEs too.

General Security Scripts

Python Shell Lua

Updated: 3 days, 16 hours ago
141 stars 41 fork 41 watcher
Born at : Feb. 19, 2016, 10:23 a.m. This repo has been linked 14 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-6693 vulnerability anywhere in the article.

  • Cyber Security News
CISA Warns of FortiOS Hard-Coded Credentials Vulnerability Exploited in Attacks

CISA has issued a critical warning regarding a Fortinet FortiOS vulnerability that poses significant risks to network security infrastructure. On June 25, 2025, CISA added CVE-2019-6693 to its Known E ... Read more

Published Date: Jun 26, 2025 (2 months ago)
  • The Hacker News
CISA Adds 3 Flaws to KEV Catalog, Impacting AMI MegaRAC, D-Link, Fortinet

Vulnerability / Firmware Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added three security flaws, each impacting AMI MegaRAC, D-Link DIR-859 router, and Forti ... Read more

Published Date: Jun 26, 2025 (2 months ago)
  • TheCyberThrone
CISA Catalog Update-June 25, 2025

Skip to content🔍 Executive SummaryThe U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent update to its Known Exploited Vulnerabilities (KEV) Catalog, highlighting three ... Read more

Published Date: Jun 26, 2025 (2 months ago)

The following table lists the changes that have been made to the CVE-2019-6693 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Jul. 30, 2025

    Action Type Old Value New Value
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 30, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-798
  • Modified Analysis by [email protected]

    Jun. 26, 2025

    Action Type Old Value New Value
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Jun. 26, 2025

    Action Type Old Value New Value
    Added Date Added 2025-06-25
    Added Due Date 2025-07-16
    Added 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.
    Added Vulnerability Name Fortinet FortiOS Use of Hard-Coded Credentials Vulnerability
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://fortiguard.com/advisory/FG-IR-19-007
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Nov. 27, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://fortiguard.com/advisory/FG-IR-19-007 No Types Assigned https://fortiguard.com/advisory/FG-IR-19-007 Mitigation, Vendor Advisory
    Added CWE NIST CWE-798
    Added CPE Configuration OR *cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* versions up to (including) 5.6.10 *cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (including) 6.0.6 *cpe:2.3:o:fortinet:fortios:6.2.0:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

74.88 }} -0.35%

score

0.98820

percentile