What is the severity of CVE-2019-12660?

CVE-2019-12660 has a medium severity rating, indicating potential impact on affected Cisco IOS XE devices.

How do I fix CVE-2019-12660?

To fix CVE-2019-12660, update your Cisco IOS XE Software to a version that addresses this vulnerability.

Who is affected by CVE-2019-12660?

CVE-2019-12660 affects devices running Cisco IOS XE version 16.1.1 and later.

What type of attack can exploit CVE-2019-12660?

CVE-2019-12660 can be exploited by an authenticated local attacker who can execute specific CLI commands.

What causes CVE-2019-12660?

CVE-2019-12660 is caused by improper input validation and authorization on certain commands in the Cisco IOS XE CLI.

Vulnerability/
CVE-2019-12660

medium

5.5

CWE

668 20

25/9/2019

21/11/2024

CVE-2019-12660: Cisco IOS XE Software ASIC Register Write Vulnerability

First published: Wed Sep 25 2019(Updated: )

A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker to write values to the underlying memory of an affected device. The vulnerability is due to improper input validation and authorization of specific commands that a user can execute within the CLI. An attacker could exploit this vulnerability by authenticating to an affected device and issuing a specific set of commands. A successful exploit could allow the attacker to modify the configuration of the device to cause it to be non-secure and abnormally functioning.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOS XE Software	>=16.1.1

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-awr

Frequently Asked Questions

What is the severity of CVE-2019-12660?
CVE-2019-12660 has a medium severity rating, indicating potential impact on affected Cisco IOS XE devices.
How do I fix CVE-2019-12660?
To fix CVE-2019-12660, update your Cisco IOS XE Software to a version that addresses this vulnerability.
Who is affected by CVE-2019-12660?
CVE-2019-12660 affects devices running Cisco IOS XE version 16.1.1 and later.
What type of attack can exploit CVE-2019-12660?
CVE-2019-12660 can be exploited by an authenticated local attacker who can execute specific CLI commands.
What causes CVE-2019-12660?
CVE-2019-12660 is caused by improper input validation and authorization on certain commands in the Cisco IOS XE CLI.

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