CVE-2020-23517 : Vulnerability Insights and Analysis

A Cross Site Scripting (XSS) vulnerability in Aryanic HighMail (High CMS) versions 2020 and earlier allows remote attackers to inject arbitrary web script or HTML, potentially compromising user data.

Understanding CVE-2020-23517

This CVE involves a security flaw in Aryanic HighMail (High CMS) that could be exploited by attackers to execute malicious scripts on a victim's web browser.

What is CVE-2020-23517?

The vulnerability in Aryanic HighMail (High CMS) versions 2020 and before enables attackers to insert harmful web scripts or HTML code via the 'user' parameter in the LoginForm, leading to Cross Site Scripting (XSS) attacks.

The Impact of CVE-2020-23517

The exploitation of this vulnerability could result in unauthorized access to sensitive information, manipulation of user data, and potential compromise of user accounts.

Technical Details of CVE-2020-23517

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The XSS vulnerability in Aryanic HighMail (High CMS) versions 2020 and earlier allows remote attackers to inject arbitrary web script or HTML code through the 'user' parameter in the LoginForm.

Affected Systems and Versions

Product: Aryanic HighMail (High CMS)
Versions affected: 2020 and earlier

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious web scripts or HTML code via the 'user' parameter in the LoginForm, potentially leading to XSS attacks.

Mitigation and Prevention

Protecting systems from CVE-2020-23517 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Aryanic HighMail (High CMS) to the latest version that includes a patch for the XSS vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injection.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users and developers on secure coding practices to mitigate XSS risks.

Patching and Updates

Regularly monitor for security updates and patches released by Aryanic HighMail (High CMS) to address known vulnerabilities and enhance system security.