CVE-2021-27402 : Vulnerability Insights and Analysis
Mitel MiCollab before 9.2 FP2 allows unauthenticated attackers to manipulate directory paths, leading to unauthorized access of user data. Update to secure systems.
A vulnerability has been identified in the SAS Admin portal of Mitel MiCollab before 9.2 FP2 that could allow an unauthenticated attacker to access and modify user data through improper URL validation, known as Directory Traversal.
Understanding CVE-2021-27402
This section provides insights into the nature and impact of the CVE-2021-27402 vulnerability.
What is CVE-2021-27402?
The CVE-2021-27402 vulnerability exists in Mitel MiCollab's SAS Admin portal before version 9.2 FP2, enabling unauthorized users to view and manipulate user data by injecting arbitrary directory paths due to inadequate URL validation.
The Impact of CVE-2021-27402
The vulnerability allows unauthenticated attackers to exploit directory traversal techniques, potentially leading to unauthorized access and modification of sensitive user data within the Mitel MiCollab environment.
Technical Details of CVE-2021-27402
In this section, we delve into the specifics of the CVE-2021-27402 vulnerability.
Vulnerability Description
The flaw in Mitel MiCollab's SAS Admin portal allows attackers to manipulate directory paths in URLs, leading to unauthorized access and modification of user data.
Affected Systems and Versions
Mitel MiCollab versions prior to 9.2 FP2 are affected by this vulnerability.
Exploitation Mechanism
Unauthenticated attackers can exploit the improper URL validation in the SAS Admin portal to traverse directories and access sensitive user data.
Mitigation and Prevention
This section outlines the necessary steps to mitigate the CVE-2021-27402 vulnerability.
Immediate Steps to Take
Mitel MiCollab users are advised to update to version 9.2 FP2 or newer to address the vulnerability and prevent unauthorized access to user data.
Long-Term Security Practices
Implementing secure coding practices and regular security assessments can help preemptively identify and mitigate similar vulnerabilities in the future.
Patching and Updates
Regularly applying security patches and updates from Mitel is crucial in maintaining a secure infrastructure and safeguarding against potential exploits.