CVE-2021-23884 : Exploit Details and Defense Strategies

A vulnerability has been identified in the ePO Extension of McAfee Content Security Reporter (CSR) before version 2.8.0, allowing unauthorized access to sensitive information.

Understanding CVE-2021-23884

This CVE refers to a Cleartext Transmission of Sensitive Information vulnerability in the ePO Extension of McAfee Content Security Reporter (CSR) before version 2.8.0.

What is CVE-2021-23884?

The CVE-2021-23884 vulnerability allows an ePO administrator to view unencrypted passwords of the McAfee Web Gateway (MWG) or the password of the McAfee Web Gateway Cloud Server (MWGCS) read-only user used for log file retrieval in CSR.

The Impact of CVE-2021-23884

With a CVSS base score of 4.3, this vulnerability has a medium severity level, posing a high risk to confidentiality as it allows unauthorized access to sensitive information.

Technical Details of CVE-2021-23884

This section provides additional technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises due to the cleartext transmission of sensitive information, enabling the exposure of passwords used in the ePO Extension.

Affected Systems and Versions

The vulnerability affects McAfee Content Security Reporter (CSR) versions prior to 2.8.0.

Exploitation Mechanism

The exploit requires high privileges and user interaction, with a low attack complexity and vector from an adjacent network.

Mitigation and Prevention

To address and prevent the CVE-2021-23884 vulnerability, immediate steps should be taken along with long-term security practices.

Immediate Steps to Take

Update McAfee Content Security Reporter (CSR) to version 2.8.0 or later to mitigate the vulnerability.
Restrict access to sensitive systems and passwords to authorized personnel only.

Long-Term Security Practices

Regularly monitor and audit password access within the organization.
Implement secure password management protocols.

Patching and Updates

Ensure timely patching of all relevant software and systems to address any known vulnerabilities and enhance overall cybersecurity.