CVE-2021-22911 Explained : Impact and Mitigation
Get insights into CVE-2021-22911, an input sanitization vulnerability in Rocket.Chat server versions 3.11, 3.12, and 3.13 leading to unauthenticated NoSQL injection and potential RCE.
A detailed analysis of CVE-2021-22911, a vulnerability in Rocket.Chat server versions 3.11, 3.12, and 3.13 that could result in unauthenticated NoSQL injection leading to potential Remote Code Execution (RCE).
Understanding CVE-2021-22911
In this section, we will explore the nature of the vulnerability and its impact.
What is CVE-2021-22911?
CVE-2021-22911 is an improper input sanitization vulnerability present in Rocket.Chat server versions 3.11, 3.12, and 3.13. Exploitation of this vulnerability could allow for unauthenticated NoSQL injection, potentially leading to Remote Code Execution (RCE).
The Impact of CVE-2021-22911
The impact of this vulnerability is severe as it could enable threat actors to execute malicious code on the affected systems, compromising data integrity and confidentiality.
Technical Details of CVE-2021-22911
This section will delve into the technical aspects of the CVE, including affected systems, exploitation mechanisms, and more.
Vulnerability Description
The vulnerability arises from improper input sanitization in Rocket.Chat server versions 3.11, 3.12, and 3.13, paving the way for unauthenticated NoSQL injection attacks.
Affected Systems and Versions
Rocket.Chat server versions 3.11, 3.12, and 3.13 are affected by this vulnerability. Users of these versions are at risk of exploitation.
Exploitation Mechanism
Exploiting this vulnerability requires crafting malicious input to bypass the input sanitization mechanisms, allowing attackers to execute unauthorized NoSQL queries.
Mitigation and Prevention
In this section, we will discuss preventive measures and mitigation strategies for CVE-2021-22911.
Immediate Steps to Take
Users are advised to update their Rocket.Chat server to the patched versions 3.13.2, 3.12.4, or 3.11.4 to mitigate the vulnerability and safeguard their systems.
Long-Term Security Practices
Implement rigorous input validation mechanisms and security best practices to prevent similar injection attacks in the future.
Patching and Updates
Regularly apply security patches and updates provided by Rocket.Chat to ensure that known vulnerabilities are addressed promptly.