CVE-2021-1455 : What You Need to Know
Learn about CVE-2021-1455, multiple vulnerabilities in Cisco Firepower Management Center Software's web-based interface allowing XSS attacks. Find mitigation steps and best security practices.
Multiple vulnerabilities have been identified in the web-based management interface of Cisco Firepower Management Center (FMC) Software. These vulnerabilities could be exploited by an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. The attacker could execute arbitrary script code in the context of the interface or access sensitive browser-based information.
Understanding CVE-2021-1455
What is CVE-2021-1455?
CVE-2021-1455 refers to multiple vulnerabilities found in the web-based management interface of Cisco Firepower Management Center (FMC) Software. These vulnerabilities can allow an attacker to perform a cross-site scripting (XSS) attack.
The Impact of CVE-2021-1455
The impact of CVE-2021-1455 includes the potential for an attacker to execute arbitrary script code within the interface environment or gain access to sensitive information available through the browser.
Technical Details of CVE-2021-1455
Vulnerability Description
The vulnerabilities in Cisco Firepower Management Center (FMC) Software stem from inadequate validation of user-supplied input in the web-based management interface. This flaw could be exploited by convincing a user to click on a malicious link.
Affected Systems and Versions
The affected product is Cisco Firepower Management Center. All versions are susceptible to these vulnerabilities.
Exploitation Mechanism
The vulnerabilities can be exploited by an attacker who can trick a user of the interface into clicking on a specially crafted link, leading to the execution of malicious script code.
Mitigation and Prevention
Immediate Steps to Take
It is crucial to apply security updates provided by Cisco immediately to mitigate the risk of exploitation. Additionally, users should be cautious while clicking on links from untrusted sources.
Long-Term Security Practices
Implementing a robust security policy that includes regular security assessments, user training on safe browsing practices, and keeping systems up to date is essential for long-term security.
Patching and Updates
Regularly check for security advisories from Cisco and apply patches promptly to address any known vulnerabilities in the Cisco Firepower Management Center (FMC) Software.