CVE-2021-1456: Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities
Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. These vulnerabilities are due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit these vulnerabilities by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-1456?
CVE-2021-1456 is a vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software that allows an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack.
What is the severity of CVE-2021-1456?
CVE-2021-1456 has a severity rating of medium with a CVSS score of 4.8.
What software is affected by CVE-2021-1456?
Cisco Firepower Management Center (FMC) Software versions 6.4.0.11, 6.5.0 - 6.6.3, and 6.7.0 - 6.7.0.2 are affected by CVE-2021-1456.
How can an attacker exploit CVE-2021-1456?
An attacker can exploit CVE-2021-1456 by conducting a cross-site scripting (XSS) attack against a user of the web-based management interface of Cisco Firepower Management Center (FMC) Software.
Is there a fix for CVE-2021-1456?
Yes, Cisco has released a software update to address the vulnerability in Cisco Firepower Management Center (FMC) Software.