CVE-2021-20767 : Vulnerability Insights and Analysis

Cybozu Garoon versions 4.0.0 to 5.0.2 are affected by a cross-site scripting vulnerability in the Full Text Search feature. This vulnerability allows a remote authenticated attacker to inject a malicious script through unspecified vectors.

Understanding CVE-2021-20767

This CVE details a security vulnerability in Cybozu Garoon, affecting versions 4.0.0 to 5.0.2.

What is CVE-2021-20767?

The CVE-2021-20767 is a cross-site scripting vulnerability in the Full Text Search functionality of Cybozu Garoon versions ranging from 4.0.0 to 5.0.2. It enables a remote authenticated attacker to insert a harmful script via unspecified methods.

The Impact of CVE-2021-20767

The impact of this vulnerability is significant as it allows an attacker to execute arbitrary scripts in the context of the victim's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2021-20767

This section describes the technical aspects of CVE-2021-20767.

Vulnerability Description

The vulnerability lies in the Full Text Search feature of Cybozu Garoon versions 4.0.0 to 5.0.2, enabling a remote authenticated attacker to perform cross-site scripting attacks.

Affected Systems and Versions

Cybozu Garoon versions 4.0.0 to 5.0.2 are specifically impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting a malicious script through undisclosed vectors, taking advantage of the Full Text Search functionality.

Mitigation and Prevention

To address CVE-2021-20767, immediate steps and long-term security practices need to be implemented.

Immediate Steps to Take

Users should update Cybozu Garoon to a patched version ensuring the elimination of the cross-site scripting vulnerability. It's also advisable to monitor for any suspicious activities.

Long-Term Security Practices

Implement robust security measures, conduct regular security assessments, and educate users about the risks associated with cross-site scripting vulnerabilities.

Patching and Updates

Regularly apply patches and updates released by Cybozu, Inc. to safeguard against known vulnerabilities and enhance the overall security posture of the system.