CVE-2020-29383 : Security Advisory and Response

An issue was discovered on V-SOL V1600D4L V1.01.49 and V1600D-MINI V1.01.48 OLT devices. A hardcoded RSA private key (specific to V1600D4L and V1600D-MINI) is contained in the firmware images.

Understanding CVE-2020-29383

This CVE identifies a vulnerability in V-SOL OLT devices that exposes a hardcoded RSA private key in the firmware images.

What is CVE-2020-29383?

The vulnerability involves a hardcoded RSA private key specific to V-SOL V1600D4L and V1600D-MINI OLT devices, which can be exploited by attackers.

The Impact of CVE-2020-29383

The presence of the hardcoded RSA private key in the firmware images can lead to unauthorized access and compromise of the affected devices.

Technical Details of CVE-2020-29383

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability involves the inclusion of a hardcoded RSA private key in the firmware images of V-SOL V1600D4L V1.01.49 and V1600D-MINI V1.01.48 OLT devices.

Affected Systems and Versions

V-SOL V1600D4L V1.01.49
V-SOL V1600D-MINI V1.01.48

Exploitation Mechanism

Attackers can potentially exploit this vulnerability to gain unauthorized access to the affected OLT devices.

Mitigation and Prevention

Protecting systems from CVE-2020-29383 requires immediate actions and long-term security measures.

Immediate Steps to Take

Monitor vendor updates and patches for remediation steps.
Implement network segmentation to limit exposure.
Consider restricting access to vulnerable devices.

Long-Term Security Practices

Regularly update firmware and software to eliminate vulnerabilities.
Conduct security assessments and penetration testing.
Educate users on best security practices to prevent unauthorized access.

Patching and Updates

Apply patches and updates provided by V-SOL to remove the hardcoded RSA private key vulnerability.