What is the severity of CVE-2020-3602?

The severity of CVE-2020-3602 is high, with a severity value of 6.7.

How does CVE-2020-3602 affect Cisco StarOS?

CVE-2020-3602 affects Cisco StarOS version 21.19.n4 and earlier.

How can an attacker exploit CVE-2020-3602?

An attacker with authenticated local access can exploit CVE-2020-3602 to elevate privileges on an affected device.

Is Cisco ASR 5500 affected by CVE-2020-3602?

No, Cisco ASR 5500 is not affected by CVE-2020-3602.

Is Cisco ASR 5700 affected by CVE-2020-3602?

No, Cisco ASR 5700 is not affected by CVE-2020-3602.

Vulnerability/
CVE-2020-3602

high

7.2

CWE

78 20

8/10/2020

13/11/2024

CVE-2020-3602: Cisco StarOS Privilege Escalation Vulnerability

First published: Thu Oct 08 2020(Updated: )

A vulnerability in the CLI of Cisco StarOS operating system for Cisco ASR 5000 Series Routers could allow an authenticated, local attacker to elevate privileges on an affected device. The vulnerability is due to insufficient input validation of CLI commands. An attacker could exploit this vulnerability by sending crafted commands to the CLI. A successful exploit could allow the attacker to execute arbitrary code with the privileges of the root user on the affected device. To exploit this vulnerability, an attacker would need to have valid credentials on an affected device and know the password for the cli test-commands command.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco StarOS	<21.19.n4
Cisco ASR 5500
Cisco Asr 5700

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-staros-privilege-esc-pyb7YTd

Frequently Asked Questions

What is the severity of CVE-2020-3602?
The severity of CVE-2020-3602 is high, with a severity value of 6.7.
How does CVE-2020-3602 affect Cisco StarOS?
CVE-2020-3602 affects Cisco StarOS version 21.19.n4 and earlier.
How can an attacker exploit CVE-2020-3602?
An attacker with authenticated local access can exploit CVE-2020-3602 to elevate privileges on an affected device.
Is Cisco ASR 5500 affected by CVE-2020-3602?
No, Cisco ASR 5500 is not affected by CVE-2020-3602.
Is Cisco ASR 5700 affected by CVE-2020-3602?
No, Cisco ASR 5700 is not affected by CVE-2020-3602.

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