CVE-2020-29375 : What You Need to Know

An issue was discovered on V-SOL OLT devices allowing a low-privileged attacker to create an admin user using a hardcoded password.

Understanding CVE-2020-29375

This CVE identifies a security vulnerability in V-SOL OLT devices that could be exploited by non-admin users.

What is CVE-2020-29375?

The vulnerability allows a low-privileged attacker to leverage a hardcoded password to gain admin access on V-SOL OLT devices.

The Impact of CVE-2020-29375

The exploitation of this vulnerability could lead to unauthorized access and potential compromise of the affected OLT devices.

Technical Details of CVE-2020-29375

This section provides more technical insights into the vulnerability.

Vulnerability Description

The issue affects V-SOL V1600D, V1600D4L, V1600D-MINI, V1600G1, and V1600G2 OLT devices, enabling unauthorized admin user creation using a specific hardcoded password.

Affected Systems and Versions

V-SOL V1600D: V2.03.69, V2.03.57
V1600D4L: V1.01.49
V1600D-MINI: V1.01.48
V1600G1: V2.0.7, V1.9.7
V1600G2: V1.1.4

Exploitation Mechanism

The vulnerability allows a non-admin user to exploit a hardcoded password (4ef9cea10b2362f15ba4558b1d5c081f) to create an admin account on the affected OLT devices.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Change all default passwords on V-SOL OLT devices to strong, unique passwords.
Monitor admin account creation and access for any unauthorized activities.

Long-Term Security Practices

Implement regular security audits and vulnerability assessments on OLT devices.
Educate users on secure password practices and the importance of access control.

Patching and Updates

Apply vendor-supplied patches or updates to address the hardcoded password issue on affected V-SOL OLT devices.