CVE-2021-31848 : Security Advisory and Response
CVE-2021-31848: Learn about the high severity XSS vulnerability in McAfee Data Loss Prevention (DLP) ePO extension prior to version 11.7.100, its impact, affected systems, and mitigation steps.
A cross-site scripting (XSS) vulnerability in McAfee Data Loss Prevention (DLP) ePO extension prior to version 11.7.100 could allow a remote attacker to hijack an active administrator session.
Understanding CVE-2021-31848
This CVE refers to a security issue in McAfee's Data Loss Prevention (DLP) ePO extension that could lead to a high severity attack.
What is CVE-2021-31848?
The vulnerability in the DLP ePO extension before version 11.7.100 could be exploited by a remote attacker to take control of an active DLP ePO administrator session by manipulating the administrator to click on a malicious link.
The Impact of CVE-2021-31848
The impact of this vulnerability is rated as high, with a CVSS base score of 8.4. It could result in a complete compromise of confidentiality, integrity, and availability of the affected system. The attacker requires high privileges and user interaction is necessary for the exploit.
Technical Details of CVE-2021-31848
This section outlines more technical aspects of the CVE.
Vulnerability Description
The vulnerability is classified as CWE-79, representing a Cross-site Scripting (XSS) weakness. It specifically exists in the DLP ePO extension of McAfee.
Affected Systems and Versions
The affected product is the Data Loss Prevention (DLP) ePO extension by McAfee, specifically versions less than 11.7.100 and 11.6.400.
Exploitation Mechanism
The attack has a low complexity and requires network access. The impact on availability, confidentiality, and integrity is high. High privileges are needed, and user interaction is a crucial element for the successful exploitation.
Mitigation and Prevention
Taking immediate action to safeguard systems is crucial to prevent potential attacks.
Immediate Steps to Take
Users are advised to update the DLP ePO extension to versions 11.7.100 or higher to mitigate the risk of exploitation. It is also recommended to be cautious while clicking on links, especially in the case management part of the extension.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security assessments, and educating administrators on phishing techniques can help enhance overall security posture.
Patching and Updates
Regularly applying security patches and staying informed about security advisories from McAfee can help in addressing vulnerabilities proactively.