CVE-2020-3515 : What You Need to Know

Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities

Understanding CVE-2020-3515

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.

What is CVE-2020-3515?

The vulnerabilities in Cisco Firepower Management Center Software allow attackers to execute arbitrary script code or access sensitive information by exploiting insufficient validation of user-supplied input in the web-based management interface.

The Impact of CVE-2020-3515

The vulnerabilities could lead to a successful cross-site scripting (XSS) attack, enabling attackers to execute malicious scripts in the context of the interface or access sensitive browser-based data.

Technical Details of CVE-2020-3515

Vulnerability Description

Type: Cross-Site Scripting (XSS)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: High
User Interaction: Required
CVSS Base Score: 4.8 (Medium)

Affected Systems and Versions

Product: Cisco Firepower Management Center
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

Attackers can exploit these vulnerabilities by persuading a user to click on a crafted link, allowing the execution of arbitrary script code.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches and updates promptly.
Educate users about the risks of clicking on unverified links.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update and patch all software and systems.
Implement strong access controls and authentication mechanisms.
Conduct regular security training and awareness programs for users.

Patching and Updates

Cisco has released patches to address these vulnerabilities. Ensure timely installation of these updates to mitigate the risk of exploitation.