CVE-2020-3348 : Security Advisory and Response

Cisco Data Center Network Manager (DCNM) has multiple vulnerabilities in its web-based management interface that could lead to cross-site scripting attacks.

Understanding CVE-2020-3348

This CVE involves vulnerabilities in Cisco DCNM that could be exploited by an authenticated remote attacker to execute a cross-site scripting attack.

What is CVE-2020-3348?

The CVE-2020-3348 vulnerability in Cisco DCNM allows attackers to conduct cross-site scripting attacks through the web-based management interface.

The Impact of CVE-2020-3348

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

Technical Details of CVE-2020-3348

Cisco Data Center Network Manager Cross-Site Scripting Vulnerabilities

Vulnerability Description

Insufficient validation of user-supplied input in the web-based management interface leads to these vulnerabilities.

Affected Systems and Versions

Product: Cisco Data Center Network Manager
Vendor: Cisco
Version: Not applicable

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: Required
Scope: Changed
CVSS Score: 4.8 (Medium Severity)
Vector String: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Mitigation and Prevention

Steps to address and prevent CVE-2020-3348

Immediate Steps to Take

Apply vendor patches and updates promptly.
Educate users about phishing and social engineering tactics.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and systems.
Implement strong authentication mechanisms.
Conduct regular security training for employees.

Patching and Updates

Refer to the vendor's security advisory for patching instructions and updates.