Learn about CVE-2021-31832, a cross-site scripting vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows, allowing remote code injection and potential security risks. Find out the impact, affected versions, and mitigation steps.
A cross-site scripting vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to version 11.6.200 allows a remote attacker to inject JavaScript code, leading to potential security risks.
Understanding CVE-2021-31832
This CVE details an improper neutralization of input vulnerability in the ePO administrator extension for McAfee DLP Endpoint for Windows, which could be exploited by a remote ePO DLP administrator.
What is CVE-2021-31832?
The vulnerability allows a remote attacker to inject malicious JavaScript code into the alert configuration text field. When triggered by an end user's DLP policy, this code gets executed, potentially compromising confidentiality.
The Impact of CVE-2021-31832
With a CVSS base score of 5.2 (Medium severity), the vulnerability could lead to high confidentiality impact, low integrity impact, and high privileges required for exploitation.
Technical Details of CVE-2021-31832
The following technical details provide insight into the vulnerability.
Vulnerability Description
The vulnerability arises from improper handling of input in the ePO administrator extension, allowing injection of JavaScript code.
Affected Systems and Versions
McAfee Data Loss Prevention (DLP) Endpoint for Windows versions prior to 11.6.200 are affected by this vulnerability.
Exploitation Mechanism
A remote ePO DLP administrator can exploit the vulnerability by injecting JavaScript code into the alert configuration text field, which is then executed upon trigger by an end user DLP policy.
Mitigation and Prevention
To address CVE-2021-31832, it is crucial to take immediate and long-term security measures.
Immediate Steps to Take
Ensure that all systems running McAfee DLP Endpoint for Windows are updated to version 11.6.200 or higher. Monitor and restrict access to the alert configuration text field.
Long-Term Security Practices
Regularly update and patch all software systems. Implement security awareness training to educate users about the risks of executing suspicious code.
Patching and Updates
Install security patches and updates provided by McAfee to address the vulnerability and enhance the security posture of the affected systems.