CVE-2021-34763 : Security Advisory and Response

This article provides detailed information about CVE-2021-34763, a vulnerability in Cisco Firepower Management Center Software that could allow for cross-site scripting and open redirect attacks.

Understanding CVE-2021-34763

This section delves into the specifics of the CVE-2021-34763 vulnerability in Cisco Firepower Management Center Software.

What is CVE-2021-34763?

CVE-2021-34763 relates to multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software, enabling attackers to execute cross-site scripting (XSS) or open redirect attacks.

The Impact of CVE-2021-34763

The vulnerability poses a medium severity risk with a base score of 4.8. Attackers with specific privileges can exploit this vulnerability, potentially leading to XSS attacks.

Technical Details of CVE-2021-34763

This section outlines the technical specifics of CVE-2021-34763, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability allows attackers to perform XSS attacks or open redirect attacks through the web-based management interface of Cisco Firepower Management Center Software.

Affected Systems and Versions

The vulnerability impacts Cisco Firepower Management Center Software, with all versions susceptible to the exploit.

Exploitation Mechanism

The attack vector is through the network, with high privileges required for successful exploitation. User interaction is required.

Mitigation and Prevention

In this section, we explore the necessary steps to mitigate the CVE-2021-34763 vulnerability and prevent potential security risks.

Immediate Steps to Take

Organizations should apply security best practices and ensure proper user training to prevent falling victim to XSS and open redirect attacks.

Long-Term Security Practices

Implementing robust security measures, such as regular security assessments and employee awareness programs, can help mitigate risks associated with CVE-2021-34763.

Patching and Updates

Regularly check for security updates and patches from Cisco to address the vulnerability in Cisco Firepower Management Center Software.