CVE-2021-34784 : Exploit Details and Defense Strategies

A vulnerability in the web-based management interface of Cisco Prime Infrastructure (PI) and Cisco Evolved Programmable Network Manager (EPNM) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device.

Understanding CVE-2021-34784

This CVE identifies a stored cross-site scripting vulnerability affecting Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager.

What is CVE-2021-34784?

The vulnerability allows an attacker to execute arbitrary script code by tricking a user into clicking on a malicious link in the web-based management interface.

The Impact of CVE-2021-34784

If exploited successfully, the attacker can access sensitive information and execute code in the context of the affected interface.

Technical Details of CVE-2021-34784

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw arises due to inadequate validation of user input in the web-based management interface.

Affected Systems and Versions

Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager are impacted by this vulnerability.

Exploitation Mechanism

An authenticated attacker can execute a stored cross-site scripting attack by convincing a user to click on a crafted link.

Mitigation and Prevention

Discover how to address and prevent the CVE-2021-34784 vulnerability.

Immediate Steps to Take

It is crucial to apply security updates and configurations promptly to mitigate the risk.

Long-Term Security Practices

Implement robust security measures to safeguard against future vulnerabilities and attacks.

Patching and Updates

Regularly monitor vendor security advisories and apply patches as soon as they are available.