CVE-2020-3459 Cisco FXOS Software for Firepower 4100/9300 Series Command Injection Vulnerability
Authenticated local attackers can inject arbitrary commands into Cisco FXOS CLI to execute code with root privileges on Firepower devices.
- 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-2020-3459?
CVE-2020-3459 is a medium-severity command injection vulnerability in Cisco Firepower Extensible Operating System, published on 21 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 FXOS Software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges. The vulnerability is due to insufficient input validation of commands supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected command. A successful exploit could allow the attacker to execute commands on the underlying operating system with root privileges.
Weakness: CWE-78
Which versions are affected by CVE-2020-3459?
It affects 1 product.
Products include Cisco Firepower Extensible Operating System.
How do I fix CVE-2020-3459?
No fix has been published for CVE-2020-3459 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-3459 being exploited?
There is no known exploitation of CVE-2020-3459 in the wild and no public exploit code.
Other vulnerabilities in Cisco Firepower Extensible Operating System
- CVE-2018-0310 Information disclosure in Cisco FXOS and NX-OS unknown
- CVE-2015-6435 Command injection in n/a
- CVE-2021-1368 Memory corruption in Cisco NX-OS Software
- CVE-2020-3456 Cisco FXOS Software Firepower Chassis Manager Cross-Site Request Forgery Vulnerability
- CVE-2020-3172 Cisco FXOS and NX-OS Software Cisco Discovery Protocol Arbitrary Code Execution and Denial of Service Vulnerability
All Cisco Firepower Extensible Operating System vulnerabilities
Sources
Also known as GHSA-8qgh-2x39-7mw4.