CVE-2021-35501 Explained : Impact and Mitigation

PandoraFMS <=7.54 allows Stored XSS by placing a payload in the name field of a visual console. This vulnerability enables the execution of XSS payloads when a user or administrator accesses the console.

Understanding CVE-2021-35501

This section provides an overview of the critical details related to CVE-2021-35501 in PandoraFMS.

What is CVE-2021-35501?

CVE-2021-35501 is a vulnerability present in PandoraFMS version <=7.54 that allows attackers to execute Stored XSS (Cross-Site Scripting) attacks. By injecting a malicious payload into the name field of a visual console, threat actors can trigger the execution of harmful scripts when the console is accessed by users or administrators.

The Impact of CVE-2021-35501

The impact of this vulnerability is significant as it can be exploited to perform unauthorized actions, steal sensitive data, or compromise the integrity of the affected system. By executing XSS payloads, attackers can potentially gain control over the application and manipulate it for malicious purposes.

Technical Details of CVE-2021-35501

In this section, we delve deeper into the technical aspects of the CVE-2021-35501 vulnerability.

Vulnerability Description

The vulnerability arises from a lack of proper input validation in PandoraFMS, specifically in version <=7.54, allowing attackers to insert malicious scripts into the name field of a visual console, leading to Stored XSS.

Affected Systems and Versions

PandoraFMS versions up to and including 7.54 are vulnerable to this exploit. Users of these versions are at risk of falling victim to attacks leveraging Stored XSS payloads.

Exploitation Mechanism

By inserting a crafted payload into the name field of a visual console, threat actors can execute their malicious scripts when a user or administrator interacts with the vulnerable console, enabling the XSS payload to be executed.

Mitigation and Prevention

Mitigating the risks associated with CVE-2021-35501 requires immediate action and long-term security practices.

Immediate Steps to Take

Users and administrators should update PandoraFMS to a patched version beyond 7.54 to eliminate the vulnerability. Additionally, it is crucial to sanitize user inputs to prevent XSS attacks and regularly monitor consoles for suspicious activities.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and educating users on best security practices can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates released by PandoraFMS and promptly apply patches to ensure that your system is protected against known vulnerabilities.