CVE-2020-3375 : What You Need to Know

A vulnerability in Cisco SD-WAN Solution Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device. The vulnerability is due to insufficient input validation, potentially leading to unauthorized access and system manipulation.

Understanding CVE-2020-3375

This CVE involves a critical buffer overflow vulnerability in Cisco SD-WAN Solution Software, posing a significant risk to affected systems.

What is CVE-2020-3375?

The vulnerability allows remote attackers to exploit insufficient input validation, potentially gaining unauthorized access, making unauthorized system changes, and executing commands with root user privileges.

The Impact of CVE-2020-3375

CVSS Base Score: 9.8 (Critical)
Attack Vector: Network
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2020-3375

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Cisco SD-WAN Solution Software results from inadequate input validation, enabling attackers to trigger a buffer overflow on affected devices.

Affected Systems and Versions

Affected Product: Cisco SD-WAN vManage
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted traffic to the affected device, potentially leading to unauthorized access and system control.

Mitigation and Prevention

Protecting systems from CVE-2020-3375 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-recommended patches promptly
Implement network segmentation to limit the attack surface
Monitor network traffic for any suspicious activities

Long-Term Security Practices

Regularly update and patch software and firmware
Conduct security assessments and penetration testing
Educate users on cybersecurity best practices

Patching and Updates

Cisco has likely released patches to address this vulnerability
Regularly check for updates and apply them to ensure system security