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CVE-2021-21998 : Security Advisory and Response

Learn about CVE-2021-21998 impacting VMware Carbon Black App Control versions 8.0, 8.1, 8.5, and 8.6. An attacker could exploit an authentication bypass flaw to gain administrative access.

VMware Carbon Black App Control 8.0, 8.1, 8.5 prior to 8.5.8, and 8.6 prior to 8.6.2 is affected by an authentication bypass vulnerability. An attacker with network access to the management server could gain administrative access without authentication.

Understanding CVE-2021-21998

This section delves into the details of the CVE-2021-21998 vulnerability.

What is CVE-2021-21998?

CVE-2021-21998 is an authentication bypass vulnerability affecting VMware Carbon Black App Control versions 8.0, 8.1, 8.5, and 8.6.

The Impact of CVE-2021-21998

The vulnerability allows malicious actors to bypass authentication and potentially gain unauthorized administrative access to the affected product.

Technical Details of CVE-2021-21998

Here are the technical aspects of CVE-2021-21998.

Vulnerability Description

The vulnerability in VMware Carbon Black App Control allows attackers to bypass authentication, posing a significant security risk.

Affected Systems and Versions

VMware Carbon Black App Control versions 8.0, 8.1, 8.5 (prior to 8.5.8), and 8.6 (prior to 8.6.2) are impacted by this vulnerability.

Exploitation Mechanism

Attackers with network access to the management server can exploit this vulnerability to gain administrative privileges without authenticating.

Mitigation and Prevention

This section discusses steps to mitigate and prevent exploitation of CVE-2021-21998.

Immediate Steps to Take

Organizations using the affected versions should apply patches promptly and review access controls to limit exposure to potential attacks.

Long-Term Security Practices

Implement robust security measures, regular security audits, and employee training to enhance overall cybersecurity posture.

Patching and Updates

Ensure timely installation of security patches provided by VMware to address the authentication bypass vulnerability in the affected versions.

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