CVE-2021-28060 : What You Need to Know
Learn about CVE-2021-28060, a Server-Side Request Forgery (SSRF) issue in Group Office 6.4.196 allowing remote attackers to manipulate GET requests. Discover the impact, technical details, and mitigation steps.
A Server-Side Request Forgery (SSRF) vulnerability in Group Office 6.4.196 allows a remote attacker to forge GET requests to arbitrary URLs via the url parameter to group/api/upload.php.
Understanding CVE-2021-28060
This CVE identifies a Server-Side Request Forgery (SSRF) vulnerability in Group Office 6.4.196 that enables a remote attacker to manipulate GET requests to any URL by exploiting the url parameter in group/api/upload.php.
What is CVE-2021-28060?
CVE-2021-28060 is a security vulnerability in Group Office 6.4.196 that allows unauthorized remote access for an attacker to forge GET requests to any desired URLs through the vulnerable url parameter.
The Impact of CVE-2021-28060
The exploit of this SSRF vulnerability can lead to unauthorized data access, server-side operations, and potential network compromise by malicious actors.
Technical Details of CVE-2021-28060
This section provides technical details regarding the vulnerability.
Vulnerability Description
The vulnerability in Group Office 6.4.196 permits threat actors to manipulate GET requests towards any URLs via the problematic url parameter, leading to potential SSRF attacks.
Affected Systems and Versions
Group Office version 6.4.196 is confirmed to be affected by this vulnerability, exposing systems leveraging this version to the SSRF risk.
Exploitation Mechanism
By crafting malicious requests using the url parameter in group/api/upload.php, attackers can exploit the SSRF vulnerability in Group Office 6.4.196 to make unauthorized requests to arbitrary URLs.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-28060, immediate actions and long-term security practices should be implemented.
Immediate Steps to Take
Organizations are advised to restrict access to the vulnerable endpoint, apply security patches if available, and monitor for any suspicious activity indicating exploitation.
Long-Term Security Practices
Implement secure coding practices, conduct regular security assessments, and educate users about SSRF vulnerabilities to enhance overall security posture.
Patching and Updates
Ensure timely application of security patches provided by Group Office to address and remediate the SSRF vulnerability in version 6.4.196.