CVE-2021-23888 : Security Advisory and Response

A vulnerability has been identified in McAfee ePolicy Orchestrator (ePO) that could allow an authenticated user to load an untrusted site in an ePO iframe, potentially leading to information theft.

Understanding CVE-2021-23888

This CVE highlights an unvalidated client-side URL redirect vulnerability in McAfee ePolicy Orchestrator (ePO) that affects versions prior to 5.10 CU 10.

What is CVE-2021-23888?

The vulnerability allows an authenticated ePO user to be redirected to an untrusted site, posing a risk of data theft due to loading content in an ePO iframe.

The Impact of CVE-2021-23888

With a base severity rating of MEDIUM and a high impact on confidentiality, this vulnerability could lead to the exposure of sensitive information to unauthorized third parties.

Technical Details of CVE-2021-23888

Vulnerability Description

The issue arises from an unvalidated client-side URL redirect in McAfee ePolicy Orchestrator (ePO), creating a scenario where an authenticated user could unwillingly load content from untrusted sources.

Affected Systems and Versions

McAfee ePolicy Orchestrator (ePO) versions below 5.10 CU 10 are affected by this vulnerability.

Exploitation Mechanism

By exploiting this vulnerability, an attacker could potentially lure an authenticated user into loading malicious content in an ePO iframe, leading to data theft.

Mitigation and Prevention

Immediate Steps to Take

Users are advised to update their McAfee ePolicy Orchestrator (ePO) to version 5.10 CU 10 or later to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing security best practices like user awareness training and monitoring for unusual activities can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for security updates and patches provided by McAfee to address known vulnerabilities and enhance the overall security posture of the system.