CVE-2020-3456: Cisco FXOS Software Firepower Chassis Manager Cross-Site Request Forgery Vulnerability

Published Oct 21, 2020

Updated

A vulnerability in the Cisco Firepower Chassis Manager (FCM) of Cisco FXOS Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack against a user of an affected device. The vulnerability is due to insufficient CSRF protections for the FCM interface. An attacker could exploit this vulnerability by persuading a targeted user to click a malicious link. A successful exploit could allow the attacker to send arbitrary requests that could take unauthorized actions on behalf of the targeted user.

Affected Software

17 affected components

Cisco Firepower Extensible Operating System=2.4\(1.249\)

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

Remediation

Patch Available

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxosfcm-csrf-uhO4e5BZ

Event History

Oct 21, 2020

CVE Published

via MITRE·06:36 PM

Data Sourced

via MITRE·06:36 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the vulnerability ID of this Cisco FXOS software vulnerability?

The vulnerability ID of this Cisco FXOS software vulnerability is CVE-2020-3456.

What is the severity of CVE-2020-3456?

The severity of CVE-2020-3456 is high.

How does CVE-2020-3456 affect Cisco Firepower Extensible Operating System?

CVE-2020-3456 affects Cisco Firepower Extensible Operating System version 2.4(1.249).

Is Cisco Firepower 4110 affected by CVE-2020-3456?

No, Cisco Firepower 4110 is not vulnerable to CVE-2020-3456.

Where can I find more information about CVE-2020-3456?

You can find more information about CVE-2020-3456 in the Cisco Security Advisory at https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxosfcm-csrf-uhO4e5BZ.