CVE-2020-13388: OS Command Injection

Published May 22, 2020
·
Updated

An exploitable vulnerability exists in the configuration-loading functionality of the jw.util package before 2.3 for Python. When loading a configuration with FromString or FromStream with YAML, one can execute arbitrary Python code, resulting in OS command execution, because safeload is not used.

Affected Software

1 affected component
Python Jw.util Python<2.3

Event History

May 22, 2020
CVE Published
via MITRE·04:07 PM
Data Sourced
via MITRE·04:07 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2020-13388?

CVE-2020-13388 is classified as a high-severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2020-13388?

To fix CVE-2020-13388, upgrade the jw.util package to version 2.3 or later, which implements safe YAML loading.

3

What type of attack can be performed due to CVE-2020-13388?

CVE-2020-13388 allows attackers to execute arbitrary Python code through insecure loading of YAML configurations.

4

Who is affected by CVE-2020-13388?

CVE-2020-13388 affects users of jw.util package versions prior to 2.3 in Python applications.

5

What are the consequences of exploiting CVE-2020-13388?

Exploiting CVE-2020-13388 can lead to OS command execution, allowing attackers to gain control over the affected system.

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