CVE-2021-27523 : Security Advisory and Response

A security vulnerability was discovered in open-falcon dashboard version 0.2.0 that allows remote attackers to gain unauthorized access, modify, and delete sensitive information through a crafted POST request to the register interface.

Understanding CVE-2021-27523

This section provides an overview of the CVE-2021-27523 vulnerability, its impact, technical details, and mitigation methods.

What is CVE-2021-27523?

CVE-2021-27523 is a security flaw in open-falcon dashboard version 0.2.0 that enables remote attackers to exploit a vulnerability in the register interface, granting them unauthorized access to sensitive data.

The Impact of CVE-2021-27523

The impact of CVE-2021-27523 is significant as it allows attackers to not only view sensitive information but also manipulate and delete crucial data, posing a serious risk to the confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2021-27523

This section delves into the specific technical aspects of the CVE-2021-27523 vulnerability, including its description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in open-falcon dashboard version 0.2.0 arises from improper handling of crafted POST requests to the register interface, leading to unauthorized access to sensitive data.

Affected Systems and Versions

All installations of open-falcon dashboard version 0.2.0 are impacted by CVE-2021-27523, putting these systems at risk of unauthorized access and data manipulation.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by sending specially crafted POST requests to the register interface, tricking the system into providing access to sensitive information.

Mitigation and Prevention

To protect systems from the CVE-2021-27523 vulnerability, immediate steps should be taken to secure the affected systems and implement long-term security practices.

Immediate Steps to Take

Affected organizations should disable or restrict access to the register interface, review system logs for any suspicious activity, and consider implementing additional access controls.

Long-Term Security Practices

Establishing regular security audits, conducting vulnerability assessments, and providing employee security awareness training are essential for maintaining the overall security posture.

Patching and Updates

It is critical to install patches or updates released by the vendor to address the CVE-2021-27523 vulnerability and ensure that systems are protected from potential exploitation.