CVE-2021-36761 Explained : Impact and Mitigation

The GeoAnalytics feature in Qlik Sense April 2020 patch 4 allows SSRF vulnerability.

Understanding CVE-2021-36761

This CVE identifies a security vulnerability in the GeoAnalytics feature of Qlik Sense April 2020 patch 4 that enables Server-Side Request Forgery (SSRF).

What is CVE-2021-36761?

The CVE-2021-36761 vulnerability specifically impacts the GeoAnalytics feature within Qlik Sense April 2020 patch 4, allowing SSRF attacks.

The Impact of CVE-2021-36761

This vulnerability could be exploited by malicious actors to perform SSRF attacks, potentially leading to unauthorized access to sensitive data, internal systems, or services.

Technical Details of CVE-2021-36761

Here are the technical details related to CVE-2021-36761:

Vulnerability Description

The vulnerability in the GeoAnalytics feature of Qlik Sense April 2020 patch 4 enables SSRF attacks, posing a significant security risk.

Affected Systems and Versions

The affected systems include installations of Qlik Sense utilizing the April 2020 patch 4 version.

Exploitation Mechanism

Malicious actors can exploit this vulnerability to manipulate the GeoAnalytics feature and launch SSRF attacks.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-36761, consider the following steps:

Immediate Steps to Take

Update Qlik Sense to a patched version that addresses the SSRF vulnerability.
Implement network controls to restrict unauthorized access to the GeoAnalytics feature.

Long-Term Security Practices

Regularly monitor and update software patches to prevent known vulnerabilities.
Conduct security assessments to identify and address potential SSRF vulnerabilities.

Patching and Updates

Stay informed about security bulletins and patches released by Qlik to address vulnerabilities like CVE-2021-36761.