CVE-2020-10633 : Security Advisory and Response

A non-persistent XSS (cross-site scripting) vulnerability exists in eWON Flexy and Cosy (all firmware versions prior to 14.1s0). An attacker could send a specially crafted URL to initiate a password change for the device. The target must introduce the credentials to the gateway before the attack can be successful.

Understanding CVE-2020-10633

This CVE involves a security vulnerability in eWON Flexy and Cosy devices that could allow an attacker to execute cross-site scripting attacks.

What is CVE-2020-10633?

CVE-2020-10633 is a non-persistent XSS vulnerability found in eWON Flexy and Cosy devices, affecting all firmware versions prior to 14.1s0. This vulnerability could be exploited by sending a malicious URL to trigger a password change process.

The Impact of CVE-2020-10633

The vulnerability could lead to unauthorized password changes on affected devices, potentially compromising the security and integrity of the system. Attackers could exploit this flaw to gain unauthorized access to sensitive information.

Technical Details of CVE-2020-10633

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability is due to improper neutralization of input during web page generation, allowing attackers to inject malicious scripts into the device's web interface.

Affected Systems and Versions

Product: eWON Flexy and Cosy
Versions Affected: All firmware versions prior to 14.1s0

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specially crafted URL to the device, tricking users into changing their passwords, which could lead to unauthorized access.

Mitigation and Prevention

Protecting systems from CVE-2020-10633 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected devices to firmware version 14.1s0 or later to mitigate the vulnerability.
Educate users about phishing attacks and the importance of verifying URLs before clicking.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Regularly monitor and audit device logs for any suspicious activities.

Patching and Updates

Regularly check for security updates and patches from the vendor to address known vulnerabilities.