CVE-2020-3558 : Security Advisory and Response
Learn about CVE-2020-3558, a vulnerability in Cisco Firepower Management Center Software that allows remote attackers to redirect users to malicious websites. Find mitigation steps and prevention measures here.
A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to redirect users to malicious websites.
Understanding CVE-2020-3558
This CVE involves an open redirect vulnerability in Cisco Firepower Management Center Software.
What is CVE-2020-3558?
The vulnerability in Cisco FMC Software allows attackers to redirect users to malicious URLs by manipulating HTTP requests, potentially leading to phishing attacks.
The Impact of CVE-2020-3558
The vulnerability poses a medium severity risk, with a CVSS base score of 4.7. If exploited, attackers can trick users into visiting harmful websites unknowingly.
Technical Details of CVE-2020-3558
This section provides more technical insights into the vulnerability.
Vulnerability Description
The flaw arises from improper input validation of HTTP request parameters, enabling attackers to modify requests and redirect users.
Affected Systems and Versions
- Product: Cisco Firepower Management Center
- Vendor: Cisco
- Affected Version: n/a
Exploitation Mechanism
Attackers can exploit this vulnerability by intercepting HTTP requests and manipulating them to redirect users to specific malicious URLs.
Mitigation and Prevention
Protecting systems from CVE-2020-3558 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Cisco promptly.
- Monitor network traffic for any suspicious activities.
- Educate users about phishing attacks and suspicious URLs.
Long-Term Security Practices
- Regularly update and patch software to prevent vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct security training for employees to enhance awareness.
- Utilize web filtering tools to block access to malicious websites.
- Employ intrusion detection and prevention systems to detect and mitigate threats.
Patching and Updates
Cisco may release patches to address the vulnerability. Stay informed about updates and apply them as soon as they are available.