CVE-2023-20113 : Security Advisory and Response

This CVE concerns a vulnerability in the Cisco SD-WAN vManage Software that could enable a remote attacker to carry out a Cross-Site Request Forgery (CSRF) attack on affected systems.

Understanding CVE-2023-20113

This vulnerability in the Cisco SD-WAN vManage Software could potentially lead to unauthorized actions being performed by an attacker on a compromised system.

What is CVE-2023-20113?

The vulnerability specifically affects the web-based management interface of Cisco SD-WAN vManage Software. It arises due to inadequate CSRF protections, allowing an unauthenticated attacker to manipulate a user into clicking a malicious link, resulting in arbitrary actions being taken with the user's privileges.

The Impact of CVE-2023-20113

If successfully exploited, this vulnerability could enable an attacker to modify system configurations, delete accounts, and perform other unauthorized actions using the affected user's privileges. The impact could potentially lead to data breaches, unauthorized access, and system disruption.

Technical Details of CVE-2023-20113

The vulnerability is classified under CWE-352 and has a CVSSv3 base score of 6.5, categorizing it as a medium-severity issue. The attack vector is network-based, with low complexity and no privileges required. The confidentiality and integrity impacts are low, with no impact on availability.

Vulnerability Description

The vulnerability allows for CSRF attacks on the web-based management interface of Cisco SD-WAN vManage Software, potentially leading to unauthorized actions being performed by an attacker.

Affected Systems and Versions

Only the Cisco SD-WAN vManage Software is affected by this vulnerability, with the specific version being "n/a".

Exploitation Mechanism

An attacker can exploit this vulnerability by tricking a user into clicking on a malicious link, allowing the attacker to carry out unauthorized actions with the privileges of the affected user.

Mitigation and Prevention

To address CVE-2023-20113 and mitigate the associated risks, immediate steps should be taken to secure the affected systems and prevent potential exploitation.

Immediate Steps to Take

Organizations using Cisco SD-WAN vManage Software should apply the necessary security updates released by Cisco to patch the vulnerability.
Users should be cautious of clicking on untrusted links and should verify the authenticity of web-based management interface interactions to prevent CSRF attacks.

Long-Term Security Practices

Implementing strong access control measures, user awareness training on cybersecurity best practices, and regularly updating security protocols can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly updating software and applying security patches provided by the vendor is crucial to ensure that systems are protected against known vulnerabilities like CVE-2023-20113.