CVE-2020-3238: Cisco IOx Application Framework Arbitrary File Creation Vulnerability

Published Jun 3, 2020
·
Updated

A vulnerability in the Cisco Application Framework component of the Cisco IOx application environment could allow an authenticated, remote attacker to write or modify arbitrary files in the virtual instance that is running on the affected device. The vulnerability is due to insufficient input validation of user-supplied application packages. An attacker who can upload a malicious package within Cisco IOx could exploit the vulnerability to modify arbitrary files. The impacts of a successful exploit are limited to the scope of the virtual instance and do not affect the device that is hosting Cisco IOx.

Affected Software

1 affected component
Cisco IOx<1.9.0

Event History

Jun 3, 2020
CVE Published
via MITRE·05:56 PM
Data Sourced
via MITRE·05:56 PM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2020-3238?

CVE-2020-3238 is a vulnerability in the Cisco Application Framework component of the Cisco IOx application environment that allows an authenticated, remote attacker to write or modify arbitrary files on the affected device.

2

How severe is CVE-2020-3238?

CVE-2020-3238 has a severity score of 8.1 out of 10, indicating a high severity.

3

What software is affected by CVE-2020-3238?

The vulnerability affects Cisco IOx version up to and excluding 1.9.0.

4

How can an attacker exploit CVE-2020-3238?

An attacker with authenticated access to the affected device can exploit CVE-2020-3238 by writing or modifying arbitrary files in the virtual instance running on the device.

5

Is there a fix available for CVE-2020-3238?

Cisco has released a security advisory with information on how to mitigate the vulnerability. Please refer to the reference provided for more details.

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