CVE-2020-29021 Explained : Impact and Mitigation

A vulnerability in the web UI input field of GateManager allows an authenticated attacker to enter script tags that could lead to Cross-Site Scripting (XSS) attacks.

Understanding CVE-2020-29021

This CVE involves a security issue in Secomea's GateManager software that could be exploited by attackers to execute XSS attacks.

What is CVE-2020-29021?

The vulnerability in the GateManager software allows authenticated attackers to input script tags, potentially leading to XSS attacks. This affects all versions of GateManager prior to 9.3.

The Impact of CVE-2020-29021

The vulnerability poses a low severity risk with a CVSS base score of 3.5. Attackers with high privileges can exploit this issue, requiring user interaction for successful attacks.

Technical Details of CVE-2020-29021

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from the lack of proper input validation in the web UI input field of GateManager, enabling attackers to inject malicious script tags.

Affected Systems and Versions

Product: GateManager
Vendor: Secomea
Affected Versions: All versions prior to 9.3

Exploitation Mechanism

Attackers with high privileges can exploit this vulnerability by entering script tags in the web UI input field, potentially leading to XSS attacks.

Mitigation and Prevention

Protecting systems from CVE-2020-29021 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update GateManager to version 9.3 or higher to mitigate the vulnerability.
Educate users on safe input practices to prevent XSS attacks.

Long-Term Security Practices

Regularly monitor and audit input fields for malicious entries.
Implement web application firewalls to filter out potentially harmful scripts.

Patching and Updates

Apply security patches provided by Secomea promptly to address the vulnerability and enhance system security.