CVE-2020-20183 : Security Advisory and Response

An insecure direct object reference vulnerability in Zyxel’s P1302-T10 v3 with firmware version 2.00(ABBX.3) and earlier allows attackers to gain privileges and access certain admin pages.

Understanding CVE-2020-20183

This CVE describes a security issue in Zyxel’s P1302-T10 v3 modem.

What is CVE-2020-20183?

The vulnerability in Zyxel’s P1302-T10 v3 modem allows unauthorized users to elevate their privileges and access restricted admin pages.

The Impact of CVE-2020-20183

The vulnerability could lead to unauthorized access to sensitive information and potential misuse of admin functionalities.

Technical Details of CVE-2020-20183

This section provides technical details of the vulnerability.

Vulnerability Description

The insecure direct object reference vulnerability in Zyxel’s P1302-T10 v3 modem enables attackers to exploit the device's firmware to gain unauthorized access.

Affected Systems and Versions

Product: Zyxel P1302-T10 v3
Firmware Version: 2.00(ABBX.3) and earlier

Exploitation Mechanism

Attackers can exploit this vulnerability to gain elevated privileges and access admin pages by manipulating object references.

Mitigation and Prevention

Protecting systems from CVE-2020-20183 is crucial for maintaining security.

Immediate Steps to Take

Update the firmware to the latest version provided by Zyxel.
Restrict access to admin pages and sensitive functionalities.

Long-Term Security Practices

Regularly monitor for security updates and patches from Zyxel.
Implement network segmentation to limit exposure to potential attacks.

Patching and Updates

Zyxel may release patches or updates to address the vulnerability. Stay informed about security advisories and apply patches promptly.