CVE-2022-20835 : What You Need to Know
Learn about CVE-2022-20835 detailing XSS vulnerabilities in Cisco Firepower Management Center (FMC) Software, their impact, affected versions, and mitigation steps to secure your systems.
Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface of an affected device.
Understanding CVE-2022-20835
This CVE highlights the risks posed by insufficient validation of user-supplied input in the web-based management interface of Cisco Firepower Management Center (FMC) Software.
What is CVE-2022-20835?
The vulnerabilities in the management interface of Cisco FMC Software could enable an attacker to execute arbitrary script code or access sensitive information by exploiting insufficiently validated user input.
The Impact of CVE-2022-20835
Successful exploitation of these vulnerabilities could result in a stored cross-site scripting (XSS) attack, potentially allowing unauthorized execution of scripts and access to sensitive browser-based data, leading to temporary availability impact.
Technical Details of CVE-2022-20835
This section delves into specific technical aspects of the vulnerability.
Vulnerability Description
The vulnerabilities are a result of insufficient validation of user-supplied input in the web-based management interface, allowing attackers to insert crafted input into various data fields on affected interfaces.
Affected Systems and Versions
The vulnerabilities impact Cisco Firepower Management Center (FMC) Software versions 7.1.0, 7.1.0.1, and 7.1.0.2.
Exploitation Mechanism
Attackers could exploit these vulnerabilities by inserting malicious code into specific data fields on the affected interface, potentially executing arbitrary script code in the context of the interface.
Mitigation and Prevention
Addressing the CVE-2022-20835 vulnerability requires immediate action and long-term security practices.
Immediate Steps to Take
Users are advised to apply patches and updates provided by Cisco to mitigate the risk of exploitation.
Long-Term Security Practices
Implementing secure coding practices, regular security updates, and security awareness training for users can help prevent similar vulnerabilities in the future.
Patching and Updates
Users should regularly check for security advisories from Cisco and promptly apply any released patches to ensure protection against known vulnerabilities.