CVE-2019-12718 : Security Advisory and Response

Cisco Small Business Smart and Managed Switches Cross-Site Scripting Vulnerability

Understanding CVE-2019-12718

This CVE involves a security weakness in the web-based interface of Cisco Small Business Smart and Managed Switches, allowing for a cross-site scripting (XSS) attack.

What is CVE-2019-12718?

The vulnerability stems from inadequate validation of user input in the web-based interface, enabling an unauthenticated attacker to execute arbitrary script code or access sensitive information.

The Impact of CVE-2019-12718

The vulnerability poses a medium severity risk with a CVSS base score of 6.1. If exploited, attackers can run malicious scripts in the context of the affected interface or gain access to sensitive data.

Technical Details of CVE-2019-12718

The following technical details provide insight into the vulnerability.

Vulnerability Description

The security weakness allows unauthenticated remote attackers to conduct XSS attacks via the web-based interface.

Affected Systems and Versions

Product: Cisco Small Business 200 Series Smart Switches
Vendor: Cisco
Affected Version: Unspecified

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
User Interaction: Required
Privileges Required: None
Scope: Changed
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Mitigation and Prevention

Protect your systems from CVE-2019-12718 with the following measures.

Immediate Steps to Take

Regularly monitor Cisco's security advisories for updates.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users on identifying and avoiding phishing attempts.

Patching and Updates

Apply patches and updates provided by Cisco to address the vulnerability.