How does the vulnerability in CVE-2020-3237 affect Cisco IOx?

The vulnerability in CVE-2020-3237 affects Cisco IOx by allowing an attacker to overwrite arbitrary files in the virtual instance of the affected device.

What is the severity of CVE-2020-3237?

CVE-2020-3237 has a severity rating of medium, with a CVSS score of 6.3.

Which version of Cisco IOx is affected by CVE-2020-3237?

Cisco IOx version 1.9.0 is affected by CVE-2020-3237.

Is there a fix available for CVE-2020-3237?

Yes, Cisco has released a security advisory with a fix for CVE-2020-3237. Please refer to the reference link for more information.

Vulnerability/
CVE-2020-3237

medium

6.3

CWE

3/6/2020

15/11/2024

CVE-2020-3237: Cisco IOx Application Framework Arbitrary File Overwrite Vulnerability

Q: What is the vulnerability CVE-2020-3237?

CVE-2020-3237 is a vulnerability in the Cisco IOx application environment that could allow an authenticated, local attacker to overwrite arbitrary files in the virtual instance running on the affected device.

First published: Wed Jun 03 2020(Updated: )

A vulnerability in the Cisco Application Framework component of the Cisco IOx application environment could allow an authenticated, local attacker to overwrite arbitrary files in the virtual instance that is running on the affected device. The vulnerability is due to insufficient path restriction enforcement. An attacker could exploit this vulnerability by including a crafted file in an application package. An exploit could allow the attacker to overwrite files.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOx	<1.9.0

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-caf-file-mVnPqKW9

Frequently Asked Questions

What is the vulnerability CVE-2020-3237?
CVE-2020-3237 is a vulnerability in the Cisco IOx application environment that could allow an authenticated, local attacker to overwrite arbitrary files in the virtual instance running on the affected device.
How does the vulnerability in CVE-2020-3237 affect Cisco IOx?
The vulnerability in CVE-2020-3237 affects Cisco IOx by allowing an attacker to overwrite arbitrary files in the virtual instance of the affected device.
What is the severity of CVE-2020-3237?
CVE-2020-3237 has a severity rating of medium, with a CVSS score of 6.3.
Which version of Cisco IOx is affected by CVE-2020-3237?
Cisco IOx version 1.9.0 is affected by CVE-2020-3237.
Is there a fix available for CVE-2020-3237?
Yes, Cisco has released a security advisory with a fix for CVE-2020-3237. Please refer to the reference link for more information.

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