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CVE-2021-21569 : Exploit Details and Defense Strategies

Learn about CVE-2021-21569, a critical Path traversal vulnerability in Dell NetWorker versions 18.x and 19.x, enabling unauthorized access to sensitive data. Mitigate risk with patches.

A Path traversal vulnerability in Dell NetWorker versions 18.x and 19.x allows a remote attacker to gain unauthorized access to sensitive information.

Understanding CVE-2021-21569

This CVE describes a critical security vulnerability in Dell NetWorker software that could lead to unauthorized access to sensitive data.

What is CVE-2021-21569?

Dell NetWorker, versions 18.x and 19.x contain a Path traversal vulnerability that could be exploited by a NetWorker server user with remote access to gain unauthorized information.

The Impact of CVE-2021-21569

The vulnerability poses a medium severity risk with a CVSS base score of 6.8, allowing an attacker to potentially access confidential data.

Technical Details of CVE-2021-21569

This section outlines the technical aspects of the CVE including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper neutralization of special elements in an OS command, specifically related to the Path traversal issue.

Affected Systems and Versions

Dell NetWorker versions 18.x and 19.x are affected by this vulnerability.

Exploitation Mechanism

A NetWorker server user with remote access to NetWorker clients could exploit this vulnerability to gain unauthorized access to sensitive information.

Mitigation and Prevention

Protecting systems from CVE-2021-21569 involves immediate steps and long-term security practices.

Immediate Steps to Take

Organizations should apply available patches and updates provided by Dell to mitigate the vulnerability.

Long-Term Security Practices

Implementing strict access controls, conducting regular security assessments, and maintaining up-to-date security protocols can help prevent similar vulnerabilities.

Patching and Updates

Regularly monitor vendor advisories and apply security patches promptly to prevent exploitation of known vulnerabilities.

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