CVE-2023-20179 : Exploit Details and Defense Strategies

This CVE record details a vulnerability found in the web-based management interface of Cisco Catalyst SD-WAN Manager, formerly known as Cisco SD-WAN vManage. The vulnerability could potentially allow a remote attacker, who is authenticated, to inject HTML content into the interface.

Understanding CVE-2023-20179

This section will cover the essential information regarding the CVE-2023-20179 vulnerability.

What is CVE-2023-20179?

CVE-2023-20179 is a vulnerability discovered in the web-based management interface of Cisco Catalyst SD-WAN Manager. The issue arises from inadequate validation of user-supplied data in element fields, potentially enabling an attacker to inject malicious content into requests. Exploiting this vulnerability could permit the attacker to alter pages within the web-based management interface, potentially leading to further browser-based attacks on application users.

The Impact of CVE-2023-20179

The impact of CVE-2023-20179 could be significant as it allows an authenticated remote attacker to manipulate content within the Cisco SD-WAN vManage interface. This manipulation could lead to various forms of cyberattacks and compromise the integrity and security of the system.

Technical Details of CVE-2023-20179

This section delves into the technical aspects of the CVE-2023-20179 vulnerability.

Vulnerability Description

The vulnerability in Cisco SD-WAN vManage arises from the lack of proper validation of user-supplied data in element fields, which enables attackers to inject HTML content into requests.

Affected Systems and Versions

Multiple versions of Cisco SD-WAN vManage, ranging from 20.3.1 to 20.11.1.2, are affected by this vulnerability. It is crucial for users of these versions to take immediate action to mitigate the risk posed by CVE-2023-20179.

Exploitation Mechanism

Exploiting this vulnerability entails an authenticated attacker submitting malicious content within requests, persuading a user to view a compromised page containing the injected content. This manipulation can lead to unauthorized modifications within the web-based management interface, paving the way for further malicious activities.

Mitigation and Prevention

To safeguard against the CVE-2023-20179 vulnerability, users and administrators should take the following steps for mitigation and prevention.

Immediate Steps to Take

Immediate actions include applying relevant patches and security updates provided by Cisco to address the vulnerability promptly.

Long-Term Security Practices

Implementing robust security measures, such as network segmentation, access control, and regular security audits, can help enhance the overall resilience of the system against potential cyber threats.

Patching and Updates

Regularly monitoring security advisories from Cisco and promptly applying recommended patches and updates can help prevent exploitation of known vulnerabilities like CVE-2023-20179. Regular software maintenance and staying informed about security best practices are essential components of effective cybersecurity hygiene.