CVE-2021-43447 : Vulnerability Insights and Analysis
Learn about CVE-2021-43447, an Incorrect Access Control vulnerability in ONLYOFFICE allowing unauthorized document editing. Find mitigation steps and preventive measures.
CVE-2021-43447 relates to an Incorrect Access Control vulnerability affecting ONLYOFFICE, allowing unauthorized editing of documents.
Understanding CVE-2021-43447
What is CVE-2021-43447?
The vulnerability in ONLYOFFICE's document editor permits unauthorized users to edit documents without proper authentication, posing a security risk.
The Impact of CVE-2021-43447
This vulnerability enables potential attackers to alter documents without the required authentication, compromising data integrity and confidentiality.
Technical Details of CVE-2021-43447
Vulnerability Description
The vulnerability allows authentication bypass in ONLYOFFICE's document editor, facilitating unauthorized document editing.
Affected Systems and Versions
- Affected Systems: ONLYOFFICE all versions as of 2021-11-08
- Affected Versions: All versions
Exploitation Mechanism
The vulnerability allows attackers to exploit an authentication bypass in the ONLYOFFICE document editor, enabling them to edit documents without proper authentication.
Mitigation and Prevention
Immediate Steps to Take
- Regularly monitor and update ONLYOFFICE to the latest version.
- Implement strong authentication mechanisms to mitigate unauthorized access.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify vulnerabilities.
- Train users on best security practices to prevent unauthorized access.
Patching and Updates
Patch ONLYOFFICE to the latest version where the vulnerability has been addressed.