CVE-2020-3602 Cisco StarOS Privilege Escalation Vulnerability
Authenticated local attackers can escalate privileges to root on Cisco ASR 5000 routers by exploiting insufficient input validation in the CLI.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3602?
CVE-2020-3602 is a medium-severity vulnerability in Cisco ASR 5000 Series Software, published on 8 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2020-3602?
It affects 1 product.
Products include Cisco Staros.
How do I fix CVE-2020-3602?
No fix has been published for CVE-2020-3602 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-3602 being exploited?
There is no known exploitation of CVE-2020-3602 in the wild and no public exploit code.
Other vulnerabilities in Cisco ASR 5000 Series Software
- CVE-2023-20046 Auth bypass in Cisco ASR 5000 Series Software
- CVE-2019-1869 Cisco StarOS Denial of Service Vulnerability
- CVE-2018-0369 Denial of service in Cisco StarOS unknown
- CVE-2017-6707 Command injection in Cisco StarOS
- CVE-2021-1539 Cisco ASR 5000 Series Software Authorization Bypass Vulnerabilities
Sources
Also known as GHSA-5c39-v7fv-jprr.