CVE-2020-3590 : What You Need to Know

A vulnerability in the web-based management interface of the Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user.

Understanding CVE-2020-3590

This CVE involves a security vulnerability in the Cisco SD-WAN vManage Software that could be exploited by an authenticated remote attacker to execute a cross-site scripting attack.

What is CVE-2020-3590?

The vulnerability in the web-based management interface of Cisco SD-WAN vManage Software allows attackers to perform a cross-site scripting attack by manipulating user input without proper validation.

The Impact of CVE-2020-3590

An authenticated remote attacker could execute arbitrary script code in the context of the interface or access sensitive browser-based information.

Technical Details of CVE-2020-3590

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability arises due to inadequate validation of user-supplied input in the web-based management interface.

Affected Systems and Versions

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

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Base Score: 6.4 (Medium)
Privileges Required: Low
User Interaction: None
Scope: Changed
Vector String: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Educate users about the risks of clicking on unverified links.

Long-Term Security Practices

Regularly monitor and update security measures.
Conduct security training for employees to enhance awareness.

Patching and Updates

Stay informed about security advisories from Cisco.
Implement a robust patch management process to address vulnerabilities effectively.