CVE-2021-20763 : Security Advisory and Response

A detailed overview of CVE-2021-20763, a vulnerability in Cybozu Garoon 4.0.0 to 5.0.2 that allows a remote authenticated attacker to bypass operational restrictions and access Portal data without proper privilege.

Understanding CVE-2021-20763

This section provides insights into the nature and impact of the CVE-2021-20763 vulnerability in Cybozu Garoon.

What is CVE-2021-20763?

The CVE-2021-20763 vulnerability is an operational restrictions bypass issue in the Portal of Cybozu Garoon versions 4.0.0 to 5.0.2. It enables a remote authenticated attacker to retrieve Portal data without the necessary privileges.

The Impact of CVE-2021-20763

The vulnerability poses a significant security risk by allowing attackers to obtain sensitive Portal information, potentially leading to unauthorized access and data exposure.

Technical Details of CVE-2021-20763

Explore the specific technical aspects of CVE-2021-20763 to understand how the vulnerability affects Cybozu Garoon systems.

Vulnerability Description

The operational restrictions bypass vulnerability in Cybozu Garoon 4.0.0 to 5.0.2 permits remote authenticated attackers to extract Portal data without the appropriate privileges.

Affected Systems and Versions

Cybozu Garoon versions 4.0.0 to 5.0.2 are confirmed to be impacted by CVE-2021-20763, potentially leaving systems vulnerable to exploitation.

Exploitation Mechanism

Attackers with remote authenticated access can exploit this vulnerability to retrieve sensitive Portal data, compromising system integrity and confidentiality.

Mitigation and Prevention

Learn how to address and mitigate the risks associated with CVE-2021-20763 to enhance the security posture of Cybozu Garoon environments.

Immediate Steps to Take

It is recommended to apply security patches or updates provided by Cybozu, Inc. to address the CVE-2021-20763 vulnerability promptly.

Long-Term Security Practices

Implement stringent access controls, regular security audits, and monitoring protocols to prevent unauthorized access and detect potential threats.

Patching and Updates

Stay informed about security advisories from Cybozu, Inc. and promptly apply patches and updates to safeguard systems against known vulnerabilities.