CVE-2020-3374 : Exploit Details and Defense Strategies

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass authorization, potentially leading to unauthorized access and system configuration modifications.

Understanding CVE-2020-3374

This CVE involves a critical vulnerability in Cisco SD-WAN vManage Software that could enable attackers to bypass authorization and gain unauthorized access to sensitive information.

What is CVE-2020-3374?

The vulnerability in Cisco SD-WAN vManage Software allows remote attackers to exploit insufficient authorization checks, potentially compromising system integrity and availability.

The Impact of CVE-2020-3374

The vulnerability poses a critical threat, with a CVSS base score of 9.9, indicating a high impact on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2020-3374

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The flaw in the web-based management interface of Cisco SD-WAN vManage Software allows attackers to send crafted HTTP requests, bypassing authorization and gaining unauthorized privileges.

Affected Systems and Versions

Product: Cisco SD-WAN vManage
Vendor: Cisco
Versions affected: Not applicable (n/a)

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted HTTP requests to the web-based management interface, enabling them to access sensitive data and modify system configurations.

Mitigation and Prevention

Protecting systems from CVE-2020-3374 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Cisco promptly.
Monitor network traffic for any suspicious activities.
Restrict access to the management interface to authorized personnel only.

Long-Term Security Practices

Regularly update and patch all software and systems.
Conduct security audits and assessments periodically.
Educate users and administrators about cybersecurity best practices.

Patching and Updates

Cisco has released patches to address this vulnerability. Ensure timely installation of these patches to mitigate the risk of exploitation.