CVE-2019-1797 : Vulnerability Insights and Analysis

A vulnerability in the web-based management interface of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on the device with the privileges of the user, including modifying the device configuration.

Understanding CVE-2019-1797

This CVE involves a flaw in the Cisco Wireless LAN Controller (WLC) Software that could lead to a CSRF attack, potentially enabling unauthorized actions on the device.

What is CVE-2019-1797?

The vulnerability allows an attacker to exploit insufficient CSRF protections in the web-based management interface of affected Cisco WLC Software versions, gaining unauthorized access and control over the device.

The Impact of CVE-2019-1797

The vulnerability poses a high severity risk, with a CVSS base score of 8.1. If successfully exploited, an attacker could execute unauthorized actions on the device, compromising its integrity and availability.

Technical Details of CVE-2019-1797

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability stems from inadequate CSRF safeguards within the affected Cisco Wireless LAN Controller (WLC) Software's web-based management interface.

Affected Systems and Versions

Cisco Wireless LAN Controller (WLC) Software versions less than 8.3.150.0, 8.5.135.0, and 8.8.100.0 are impacted.

Exploitation Mechanism

To exploit this vulnerability, an attacker needs to persuade a user of the interface to click on a specially crafted link, granting the attacker the ability to perform arbitrary actions on the device with the user's privileges.

Mitigation and Prevention

Protective measures to mitigate the risks associated with CVE-2019-1797.

Immediate Steps to Take

Update the affected Cisco WLC Software to versions 8.3.150.0, 8.5.135.0, or 8.8.100.0 or later to eliminate the vulnerability.
Educate users about the risks of clicking on unknown or suspicious links.

Long-Term Security Practices

Regularly monitor and audit web-based management interfaces for any unusual activities.
Implement network segmentation to limit the impact of potential CSRF attacks.

Patching and Updates

Apply security patches provided by Cisco to address the CSRF vulnerability in the Wireless LAN Controller (WLC) Software.