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CVE-2021-21925 : What You Need to Know

Learn about CVE-2021-21925, a critical SQL injection vulnerability in Advantech R-SeeNet software, allowing attackers to compromise confidentiality. Find out the impact, technical details, and mitigation steps.

A critical vulnerability has been identified as CVE-2021-21925 in Advantech R-SeeNet software. This vulnerability stems from improper neutralization of special elements used in an SQL command, leading to SQL injection through a specially-crafted HTTP request. Attackers can exploit this issue with authenticated HTTP requests, affecting confidentiality severely.

Understanding CVE-2021-21925

This section delves deeper into the details surrounding the CVE-2021-21925 vulnerability.

What is CVE-2021-21925?

The CVE-2021-21925 vulnerability in Advantech R-SeeNet software allows attackers to execute SQL injection attacks via crafted HTTP requests, impacting data confidentiality.

The Impact of CVE-2021-21925

With a CVSS base score of 7.7 (High severity), this vulnerability can be exploited over the network with low attack complexity, posing a serious risk to affected systems' confidentiality.

Technical Details of CVE-2021-21925

Explore the technical aspects of CVE-2021-21925 in this section.

Vulnerability Description

A specially-crafted HTTP request can lead to SQL injection, enabling attackers to manipulate data and potentially extract sensitive information from the database.

Affected Systems and Versions

The vulnerability affects Advantech R-SeeNet version 2.4.15 (30.07.2021).

Exploitation Mechanism

Attackers can exploit this vulnerability by sending authenticated HTTP requests, triggering SQL injection attacks and compromising data integrity.

Mitigation and Prevention

Discover the steps to mitigate and prevent the CVE-2021-21925 vulnerability in this section.

Immediate Steps to Take

Users should update the affected software to the latest patched version to prevent exploitation of this vulnerability.

Long-Term Security Practices

Implement strict input validation mechanisms and security controls to mitigate the risk of SQL injection attacks in the future.

Patching and Updates

Regularly check for security updates and apply patches promptly to protect systems from known vulnerabilities.

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