Learn about CVE-2021-21327, an Unsafe Reflection vulnerability in GLPI < 9.5.4 allowing remote object instantiation. Find impact, affected systems, and mitigation steps here.
This CVE-2021-21327 article provides details about an Unsafe Reflection vulnerability in
GLPI
versions prior to 9.5.4, allowing non-authenticated users to remotely instantiate objects in the GLPI environment for malicious activities.
Understanding CVE-2021-21327
This section delves into the impact and technical details of the vulnerability.
What is CVE-2021-21327?
CVE-2021-21327 is an Unsafe Reflection vulnerability in the asset and IT management software GLPI before version 9.5.4, enabling non-authenticated users to instantiate objects remotely, potentially leading to malicious attacks.
The Impact of CVE-2021-21327
The vulnerability affects the integrity of the GLPI core platform and third-party plugins, allowing manipulation of classes to execute sensitive operations, fixed in version 9.5.4.
Technical Details of CVE-2021-21327
This section explores the vulnerability's description, affected systems, and exploitation mechanism.
Vulnerability Description
In GLPI < 9.5.4, non-authenticated users can instantiate objects remotely, posing a threat to system integrity and security.
Affected Systems and Versions
GLPI versions prior to 9.5.4 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this flaw by remotely instantiating objects in the GLPI environment for malicious purposes.
Mitigation and Prevention
Here we discuss immediate steps to take and long-term security practices.
Immediate Steps to Take
Users are advised to update GLPI to version 9.5.4 or apply patches to mitigate the vulnerability.
Long-Term Security Practices
Maintain secure authentication mechanisms and regularly update software to prevent similar vulnerabilities.
Patching and Updates
Refer to official sources for patches and updates to secure GLPI against CVE-2021-21327.