CVE-2023-50920 : What You Need to Know

An issue was discovered on GL.iNet devices before version 4.5.0 where the same session ID is assigned after each user reboot. This vulnerability allows attackers to share session identifiers between different sessions, potentially bypassing authentication and access control measures. Attackers could exploit this to impersonate legitimate users or carry out unauthorized actions on affected devices such as A1300, AX1800, AXT1800, MT3000, MT2500, MT6000, MT1300, MT300N-V2, AR750S, AR750, AR300M, and B1300.

Understanding CVE-2023-50920

This section provides insights into the nature and impact of the CVE-2023-50920 vulnerability.

What is CVE-2023-50920?

CVE-2023-50920 involves GL.iNet devices before version 4.5.0 assigning the same session ID after each user reboot. This security flaw enables attackers to potentially bypass authentication and access control measures.

The Impact of CVE-2023-50920

The vulnerability in GL.iNet devices could allow attackers to share session identifiers between different sessions, leading to impersonation of legitimate users and unauthorized actions.

Technical Details of CVE-2023-50920

This section delves into the technical aspects of the CVE-2023-50920 vulnerability.

Vulnerability Description

GL.iNet devices before version 4.5.0 assign the same session ID after each user reboot, facilitating potential bypass of authentication and access control.

Affected Systems and Versions

The security issue impacts various GL.iNet devices including A1300, AX1800, AXT1800, MT3000, MT2500, MT6000, MT1300, MT300N-V2, AR750S, AR750, AR300M, and B1300.

Exploitation Mechanism

Attackers can exploit this vulnerability to impersonate legitimate users and perform unauthorized actions.

Mitigation and Prevention

This section outlines steps to mitigate and prevent exploitation of the CVE-2023-50920 vulnerability.

Immediate Steps to Take

Users of GL.iNet devices should update to version 4.5.0 or later to mitigate the vulnerability. Implementing strong, unique passwords and regularly monitoring device activity can also enhance security.

Long-Term Security Practices

Regular security audits, employee training on cyber hygiene, and implementing multi-factor authentication can bolster the long-term security posture against such vulnerabilities.

Patching and Updates

Staying informed about security updates from GL.iNet and promptly applying patches when available is crucial to addressing vulnerabilities and securing devices.