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CVE-2021-21570 : What You Need to Know

Learn about CVE-2021-21570, a Dell NetWorker vulnerability impacting versions 18.x and 19.x. Discover the impact, technical details, and mitigation steps to secure your systems.

Dell NetWorker, versions 18.x and 19.x, contain an Information disclosure vulnerability that could allow a NetWorker server user to access unauthorized information remotely.

Understanding CVE-2021-21570

This CVE was published on 2021-09-02 with a medium severity base score of 6.8.

What is CVE-2021-21570?

CVE-2021-21570 refers to an Information disclosure vulnerability in Dell NetWorker versions 18.x and 19.x. An attacker with remote access to NetWorker clients could exploit this issue to gain unauthorized information.

The Impact of CVE-2021-21570

The vulnerability could result in a breach of confidentiality as a malicious actor may access sensitive information without proper authorization.

Technical Details of CVE-2021-21570

The vulnerability is related to an OS Command Injection flaw (CWE-78) that allows improper neutralization of special elements, potentially leading to information disclosure.

Vulnerability Description

Dell NetWorker versions 18.x and 19.x are affected by an information disclosure vulnerability that could be exploited by a NetWorker server user with remote access to gain unauthorized data.

Affected Systems and Versions

The impacted systems are Dell NetWorker versions 18.x and 19.x.

Exploitation Mechanism

The vulnerability can be exploited by a NetWorker server user with remote access to NetWorker clients, enabling them to access unauthorized information.

Mitigation and Prevention

It is crucial to take immediate action to secure affected systems and prevent potential exploitation of CVE-2021-21570.

Immediate Steps to Take

Users are advised to apply the security update provided by Dell to address the vulnerability promptly.

Long-Term Security Practices

Implement robust access controls, network segmentation, and ongoing security monitoring to enhance overall cybersecurity posture.

Patching and Updates

Regularly apply security patches and updates to ensure vulnerabilities are mitigated effectively.

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