CVE-2021-34789 : Exploit Details and Defense Strategies

A vulnerability in the web-based management interface of Cisco Tetration allows an authenticated, remote attacker to conduct a stored cross-site scripting attack. Find out the impact, technical details, and mitigation steps below.

Understanding CVE-2021-34789

This CVE highlights a stored cross-site scripting vulnerability in Cisco Tetration's web-based management interface.

What is CVE-2021-34789?

The vulnerability could be exploited by injecting malicious code into specific pages, enabling the attacker to execute arbitrary script code or access sensitive information with valid administrative credentials.

The Impact of CVE-2021-34789

The vulnerability has a CVSS base score of 4.8, indicating a medium severity. It requires high privileges but no user interaction, affecting integrity and confidentiality.

Technical Details of CVE-2021-34789

This section delves into the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The flaw arises from insufficient validation of user-supplied input in the web-based management interface, leading to stored cross-site scripting.

Affected Systems and Versions

The vulnerability impacts Cisco Secure Workload in all versions.

Exploitation Mechanism

To exploit the vulnerability, an authenticated attacker can inject malicious code into specific interface pages.

Mitigation and Prevention

Learn about the immediate steps to take and long-term security practices to safeguard against CVE-2021-34789.

Immediate Steps to Take

Ensure proper validation of user input, monitor for unauthorized activities, and restrict access to administrative privileges.

Long-Term Security Practices

Implement regular security awareness training, keep systems updated with the latest patches, and conduct periodic security audits.

Patching and Updates

Stay informed about security advisories from Cisco and apply relevant patches promptly to mitigate the risk of exploitation.