CVE-2021-32983 : Security Advisory and Response

A Blind SQL injection vulnerability in Delta Electronics DIAEnergie Version 1.7.5 and prior allows remote attackers to execute arbitrary code.

Understanding CVE-2021-32983

This CVE pertains to a Blind SQL injection vulnerability in Delta Electronics DIAEnergie Version 1.7.5 and earlier versions.

What is CVE-2021-32983?

A Blind SQL injection flaw exists in the /DataHandler/Handler_CFG.ashx endpoint, where user-controlled input is not validated correctly, allowing attackers to execute arbitrary code.

The Impact of CVE-2021-32983

A remote, unauthenticated attacker can exploit this vulnerability to run arbitrary code in the context of NT SERVICE\MSSQLSERVER.

Technical Details of CVE-2021-32983

This section covers the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from improper validation of user-controlled input, making it vulnerable to Blind SQL injection attacks.

Affected Systems and Versions

Delta Electronics DIAEnergie Version 1.7.5 and prior are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this issue via the /DataHandler/Handler_CFG.ashx endpoint by injecting malicious SQL commands.

Mitigation and Prevention

Here's how to address the CVE-2021-32983.

Immediate Steps to Take

Apply security patches, validate user input, and implement strict input sanitization measures.

Long-Term Security Practices

Regularly update software, conduct security audits, and educate developers on secure coding practices.

Patching and Updates

Ensure that Delta Electronics DIAEnergie is updated to a version that includes a patch for CVE-2021-32983.