medium
6.1
CWE
79
Advisory Published
Updated

CVE-2023-20206: XSS

First published: Wed Nov 01 2023(Updated: )

Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface of an affected device. These vulnerabilities are due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit these vulnerabilities by inserting crafted input into various data fields in an affected interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface, or access sensitive, browser-based information. In some cases, it is also possible to cause a temporary availability impact to portions of the FMC Dashboard.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Firepower Management Center>=6.6.0<=6.6.7.1
Cisco Firepower Management Center>=6.7.0<=6.7.0.3
Cisco Firepower Management Center>=7.0.0<=7.0.5
Cisco Firepower Management Center>=7.1.0<=7.1.0.3
Cisco Firepower Management Center>=7.2.0<=7.2.4
Cisco Firepower Management Center>=7.3.0<=7.3.1.1

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2023-20206.

  • What is the severity of CVE-2023-20206?

    The severity of CVE-2023-20206 is medium.

  • What is the affected software?

    The affected software is Cisco Firepower Management Center.

  • How can an attacker exploit CVE-2023-20206?

    An unauthenticated, remote attacker can exploit CVE-2023-20206 by conducting a stored cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device.

  • Is there a fix available for CVE-2023-20206?

    Yes, Cisco has released a fix for CVE-2023-20206. Please refer to the Cisco Security Advisory for more information.

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