CVE-2020-13504 : Exploit Details and Defense Strategies

Aveva eDNA Enterprise Data Historian is vulnerable to unauthenticated SQL injection attacks through the Parameter AttFilterValue in ednareporting.asmx. Attackers can exploit this to compromise data via specially crafted SOAP web requests.

Understanding CVE-2020-13504

This CVE involves a SQL injection vulnerability in Aveva eDNA Enterprise Data Historian.

What is CVE-2020-13504?

The vulnerability lies in the Parameter AttFilterValue in ednareporting.asmx, allowing unauthenticated SQL injection attacks. Attackers can manipulate SOAP web requests to execute SQL injections, leading to data exposure.

The Impact of CVE-2020-13504

Exploitation of this vulnerability can result in unauthorized access to sensitive data stored in the affected system, potentially leading to data breaches and compromise.

Technical Details of CVE-2020-13504

Aveva eDNA Enterprise Data Historian is susceptible to SQL injection attacks due to the insecure handling of user input.

Vulnerability Description

The flaw in the AttFilterValue parameter enables attackers to inject malicious SQL queries through SOAP requests, posing a significant security risk.

Affected Systems and Versions

Product: Aveva
Version: Aveva eDNA Enterprise Data Historian 3.0.1.2/7.5.4989.33053

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted SOAP web requests containing malicious SQL code, bypassing authentication mechanisms.

Mitigation and Prevention

Implementing immediate steps and long-term security practices can help mitigate the risks associated with CVE-2020-13504.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly to address the vulnerability.
Monitor network traffic for any suspicious activity that could indicate exploitation attempts.
Restrict access to the affected system to authorized personnel only.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users and administrators about secure coding practices and the risks of SQL injection attacks.

Patching and Updates

Stay informed about security advisories from Aveva and apply patches as soon as they are released to protect the system from potential exploits.