CVE-2019-5593: Medium severity fortios vulnerability

Published Jan 23, 2020
·
Updated

Improper permission or value checking in the CLI console may allow a non-privileged user to obtain Fortinet FortiOS plaint text private keys of system's builtin local certificates via unsetting the keys encryption password in FortiOS 6.2.0, 6.0.0 to 6.0.6, 5.6.10 and below or for user uploaded local certificates via setting an empty password in FortiOS 6.2.1, 6.2.0, 6.0.6 and below.

Affected Software

3 affected components
Fortinet FortiOS<=5.6.10
Fortinet FortiOS>=6.0.0<=6.0.6
Fortinet FortiOS=6.2.0

Event History

Jan 23, 2020
CVE Published
via MITRE·04:50 PM
Data Sourced
via MITRE·04:50 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2019-5593?

CVE-2019-5593 has a severity rating classified as critical due to the potential exposure of private keys.

2

How do I fix CVE-2019-5593?

To mitigate CVE-2019-5593, ensure that you upgrade FortiOS to a version above 6.2.0, 6.0.6, and 5.6.10.

3

What are the consequences of CVE-2019-5593?

The vulnerability allows unauthorized users to access plaintext private keys, which can compromise the security of the system.

4

Who is affected by CVE-2019-5593?

CVE-2019-5593 affects users of FortiOS versions 5.6.10 and below, as well as specific versions between 6.0.0 and 6.0.6, and 6.2.0.

5

Is there a workaround for CVE-2019-5593?

While the best solution is to upgrade to a patched version, users may also restrict access to the CLI console as a temporary measure.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203