CVE-2022-20831 Explained : Impact and Mitigation
Learn about CVE-2022-20831, multiple vulnerabilities in Cisco Firepower Management Center software allowing stored XSS attacks. Find impacted versions and mitigation steps.
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 affected device.
Understanding CVE-2022-20831
This article provides insights into the CVE-2022-20831 vulnerability affecting Cisco Firepower Management Center (FMC) Software.
What is CVE-2022-20831?
CVE-2022-20831 refers to multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software that could enable an authenticated attacker to carry out a stored cross-site scripting (XSS) attack.
The Impact of CVE-2022-20831
These vulnerabilities arise due to insufficient validation of user-supplied input in the web-based FMC interface. An attacker could exploit these weaknesses to execute arbitrary script code, access sensitive information, or disrupt portions of the FMC Dashboard.
Technical Details of CVE-2022-20831
This section delves into the technical aspects of the CVE-2022-20831 vulnerability.
Vulnerability Description
The vulnerabilities stem from inadequate validation of user-supplied input, allowing attackers to insert malicious code into various data fields. Successful exploitation could lead to code execution in the interface context or information access.
Affected Systems and Versions
Cisco Firepower Management Center versions ranging from 6.1.0 to 7.2.0 are impacted by CVE-2022-20831.
Exploitation Mechanism
Attackers can exploit these vulnerabilities by inserting crafted input into specific data fields, leveraging the XSS attack vector.
Mitigation and Prevention
To address CVE-2022-20831, implement the following mitigation strategies:
Immediate Steps to Take
- Apply security patches provided by Cisco for the affected versions.
- Monitor network traffic for signs of exploitation.
- Restrict access to the web-based management interface.
Long-Term Security Practices
- Conduct regular security training to educate users on safe browsing practices.
- Employ network intrusion detection/prevention systems.
Patching and Updates
Regularly update Cisco Firepower Management Center software to the latest versions to eliminate known vulnerabilities.