CVE-2020-3113 : Security Advisory and Response

A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack.

Understanding CVE-2020-3113

This CVE involves a stored cross-site scripting vulnerability in Cisco Data Center Network Manager.

What is CVE-2020-3113?

The vulnerability in Cisco DCNM allows a remote attacker to execute arbitrary script code through insufficient validation of user input.

The Impact of CVE-2020-3113

Attack Complexity: Low
Attack Vector: Network
Base Score: 4.8 (Medium)
Privileges Required: High
User Interaction: Required
Scope: Changed
Confidentiality and Integrity Impact: Low
Availability Impact: None

Technical Details of CVE-2020-3113

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from inadequate validation of user-supplied input in the web-based management interface of Cisco DCNM.

Affected Systems and Versions

Product: Cisco Data Center Network Manager
Vendor: Cisco
Version: Unspecified

Exploitation Mechanism

An attacker can exploit this vulnerability by convincing a user to click on a malicious link, enabling the execution of arbitrary script code.

Mitigation and Prevention

Protecting systems from CVE-2020-3113 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor patches promptly
Educate users on identifying and avoiding suspicious links
Monitor network traffic for signs of exploitation

Long-Term Security Practices

Regular security training for employees
Implement web application firewalls
Conduct regular security audits

Patching and Updates

Stay informed about security advisories from Cisco
Implement patches as soon as they are released