CVE-2021-20672 : Vulnerability Insights and Analysis
Learn about CVE-2021-20672 involving a reflected cross-site scripting flaw in GROWI (v4.2 Series) versions from v4.2.0 to v4.2.7. Understand the impact, affected systems, exploitation, and mitigation steps.
A detailed overview of CVE-2021-20672 focusing on a reflected cross-site scripting vulnerability in GROWI (v4.2 Series) versions from v4.2.0 to v4.2.7, impacting WESEEK, Inc.
Understanding CVE-2021-20672
This section provides insights into the nature of the vulnerability and its potential impact.
What is CVE-2021-20672?
CVE-2021-20672 involves a reflected cross-site scripting vulnerability in GROWI (v4.2 Series) versions from v4.2.0 to v4.2.7. This vulnerability is a result of insufficient verification of URL query parameters, allowing remote attackers to inject arbitrary scripts through unspecified vectors.
The Impact of CVE-2021-20672
The vulnerability in question can lead to severe consequences, as remote attackers can exploit it to inject malicious scripts into the application, potentially compromising the integrity and security of the affected systems.
Technical Details of CVE-2021-20672
Explore the specific technical aspects associated with CVE-2021-20672 below.
Vulnerability Description
The vulnerability arises due to inadequate validation of URL query parameters within the affected GROWI versions, providing attackers with the opportunity to execute arbitrary scripts remotely.
Affected Systems and Versions
GROWI (v4.2 Series) versions ranging from v4.2.0 to v4.2.7 are impacted by this vulnerability, putting systems with these versions at risk of exploitation.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by injecting specially crafted scripts via the URL query parameters, taking advantage of the lack of robust input validation mechanisms.
Mitigation and Prevention
Discover how to address and prevent the CVE-2021-20672 vulnerability through effective mitigation strategies and security practices.
Immediate Steps to Take
Users are advised to apply relevant security patches and updates provided by WESEEK, Inc. to remediate the vulnerability and prevent potential exploitation.
Long-Term Security Practices
Incorporating robust input validation and output encoding mechanisms in web applications can fortify defenses against cross-site scripting vulnerabilities like CVE-2021-20672.
Patching and Updates
Regularly monitoring for security advisories and promptly applying patches and updates to the GROWI software can help ensure the ongoing protection of systems against known vulnerabilities.