CVE-2021-20673 : Security Advisory and Response
Learn about CVE-2021-20673, a stored cross-site scripting vulnerability in GROWI (v4.2 Series) versions from v4.2.0 to v4.2.7. Understand the impact, technical details, and mitigation steps.
This article provides an in-depth analysis of CVE-2021-20673, a stored cross-site scripting vulnerability affecting GROWI (v4.2 Series) versions from v4.2.0 to v4.2.7.
Understanding CVE-2021-20673
CVE-2021-20673 is a stored cross-site scripting vulnerability found in the Admin Page of GROWI (v4.2 Series) software. This security flaw allows remote authenticated attackers to execute arbitrary scripts through unspecified vectors.
What is CVE-2021-20673?
The CVE-2021-20673 vulnerability is classified as a stored cross-site scripting (XSS) issue, enabling attackers to inject malicious scripts via the Admin Page of GROWI (v4.2 Series).
The Impact of CVE-2021-20673
The impact of CVE-2021-20673 is significant as it allows remote authenticated attackers to execute arbitrary scripts, potentially leading to unauthorized access and data manipulation.
Technical Details of CVE-2021-20673
CVE-2021-20673 affects the GROWI (v4.2 Series) software from versions v4.2.0 to v4.2.7, introducing a stored cross-site scripting vulnerability in the Admin Page.
Vulnerability Description
The vulnerability permits remote authenticated attackers to inject and execute arbitrary scripts through unspecified vectors within the Admin Page of GROWI (v4.2 Series).
Affected Systems and Versions
GROWI (v4.2 Series) versions from v4.2.0 to v4.2.7 are affected by this stored cross-site scripting vulnerability, putting systems running these versions at risk.
Exploitation Mechanism
Attackers with remote authenticated access can exploit CVE-2021-20673 by injecting malicious scripts through unspecified vectors in the Admin Page of GROWI (v4.2 Series).
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-20673, immediate steps should be taken followed by the implementation of long-term security practices.
Immediate Steps to Take
- Update GROWI software to the latest version that includes a patch for CVE-2021-20673.
- Restrict access to the Admin Page to authorized personnel only.
Long-Term Security Practices
- Regularly monitor and update software to address security vulnerabilities promptly.
- Conduct security assessments and audits to identify and remediate potential risks.
Patching and Updates
Stay informed about security updates released by WESEEK, Inc. for GROWI (v4.2 Series) to apply patches that address CVE-2021-20673.