CVE-2021-1455: Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities
First published: Thu Apr 29 2021(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 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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Firepower Management Center | <=6.4.0.11 | |
| Cisco Firepower Management Center | >=6.5.0<6.6.3 | |
| Cisco Firepower Management Center | >=6.7.0<6.7.0.2 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-1455?
CVE-2021-1455 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 against a user of the interface.
How severe is CVE-2021-1455?
CVE-2021-1455 has a severity rating of medium, with a CVSS score of 4.8.
Which software versions are affected by CVE-2021-1455?
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-2021-1455.
How can an attacker exploit CVE-2021-1455?
An attacker can exploit CVE-2021-1455 by sending a specially crafted request to the web-based management interface of Cisco Firepower Management Center (FMC) Software, which can result in the execution of arbitrary script code in the victim's browser.
Are there any fixes or patches available for CVE-2021-1455?
Yes, Cisco has released software updates to address the vulnerabilities associated with CVE-2021-1455. Users are advised to upgrade to the latest version of Cisco Firepower Management Center (FMC) Software.
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- canonical/cisco firepower management center
- version/cisco firepower management center/6.4.0.11
- version/cisco firepower management center/6.5.0
- version/cisco firepower management center/6.7.0