CVE-2020-3459: Cisco FXOS Software for Firepower 4100/9300 Series Command Injection Vulnerability
First published: Wed Oct 21 2020(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Firepower Extensible Operating System | <2.4.1.266 | |
| Cisco Firepower Extensible Operating System | >=2.6<2.6.1.204 | |
| Cisco Firepower Extensible Operating System | >=2.7<2.7.1.131 | |
| Cisco Firepower Extensible Operating System | >=2.8<2.8.1.125 | |
| Cisco Firepower 4110 | ||
| Cisco Firepower 4112 | ||
| Cisco Firepower 4115 | ||
| Cisco Firepower 4120 | ||
| Cisco Firepower 4125 | ||
| Cisco Firepower 4140 | ||
| Cisco Firepower 4145 | ||
| Cisco Firepower 4150 | ||
| Cisco Firepower 9300 Sm-24 | ||
| Cisco Firepower 9300 Sm-36 | ||
| Cisco Firepower 9300 Sm-40 | ||
| Cisco Firepower 9300 Sm-44 | ||
| Cisco Firepower 9300 Sm-44 X 3 | ||
| Cisco Firepower 9300 Sm-48 | ||
| Cisco Firepower 9300 Sm-56 | ||
| Cisco Firepower 9300 Sm-56 X 3 |
Remedy
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-cmdinj-b63rwKPm
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-3459.
What is the severity of CVE-2020-3459?
The severity of CVE-2020-3459 is high with a CVSS score of 7.8.
Which software is affected by CVE-2020-3459?
The Cisco FXOS Software versions 2.4.1.266 to 2.8.1.125 are affected.
How can an attacker exploit CVE-2020-3459?
An attacker with authenticated local access can inject arbitrary commands with root privileges.
How can I fix CVE-2020-3459?
Upgrade your Cisco FXOS Software to a version that is not affected.
- collector/nvd-index
- agent/weakness
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/last-modified-date
- agent/severity
- agent/title
- agent/author
- agent/references
- agent/tags
- agent/description
- agent/event
- agent/first-publish-date
- vendor/cisco
- canonical/cisco firepower extensible operating system
- version/cisco firepower extensible operating system/2.6
- version/cisco firepower extensible operating system/2.7
- version/cisco firepower extensible operating system/2.8
- canonical/cisco firepower 4110
- canonical/cisco firepower 4112
- canonical/cisco firepower 4115
- canonical/cisco firepower 4120
- canonical/cisco firepower 4125
- canonical/cisco firepower 4140
- canonical/cisco firepower 4145
- canonical/cisco firepower 4150
- canonical/cisco firepower 9300 sm-24
- canonical/cisco firepower 9300 sm-36
- canonical/cisco firepower 9300 sm-40
- canonical/cisco firepower 9300 sm-44
- canonical/cisco firepower 9300 sm-44 x 3
- canonical/cisco firepower 9300 sm-48
- canonical/cisco firepower 9300 sm-56
- canonical/cisco firepower 9300 sm-56 x 3