CVE-2020-29378 : Security Advisory and Response
Learn about CVE-2020-29378, a vulnerability on V-SOL OLT devices allowing unauthorized access. Find out affected systems, exploitation details, and mitigation steps.
An elevation of privilege vulnerability affecting V-SOL OLT devices.
Understanding CVE-2020-29378
What is CVE-2020-29378?
An issue on V-SOL OLT devices allows a CLI user to gain full administrative access using a specific password for the enable command.
The Impact of CVE-2020-29378
This vulnerability could lead to unauthorized access and control of the affected OLT devices.
Technical Details of CVE-2020-29378
Vulnerability Description
The flaw enables privilege escalation for CLI users on V-SOL V1600D, V1600D4L, V1600D-MINI, V1600G1, and V1600G2 OLT devices.
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
Attackers can exploit this vulnerability by using the specific password !j@l#y$z%x6x7q8c9z) for the enable command.
Mitigation and Prevention
Immediate Steps to Take
- Avoid using default or weak passwords.
- Implement strong password policies.
- Monitor and restrict CLI user privileges.
Long-Term Security Practices
- Regularly update device firmware.
- Conduct security audits and assessments.
- Train users on secure password practices.
Patching and Updates
Apply patches and updates provided by V-SOL to address this vulnerability.