CVE-2023-20055 : What You Need to Know

This CVE, assigned by Cisco, pertains to a privilege escalation vulnerability in Cisco DNA Center. The vulnerability could allow a remote attacker with authenticated access to elevate privileges within the web-based management interface, potentially leading to unauthorized access to sensitive information.

Understanding CVE-2023-20055

Cisco DNA Center is impacted by a privilege escalation vulnerability that can be exploited by an authenticated, remote attacker to gain escalated privileges within the management interface, posing a risk of unauthorized access to critical information.

What is CVE-2023-20055?

The vulnerability identified as CVE-2023-20055 lies in the management API of Cisco DNA Center. It stems from the inadvertent exposure of sensitive data, providing an opportunity for an attacker with valid credentials to exploit the flaw.

The Impact of CVE-2023-20055

In the event of a successful exploitation, the attacker could operate within the API using the privileges of a higher-level user account. This unauthorized access may compromise confidentiality, integrity, and availability of the affected device.

Technical Details of CVE-2023-20055

The vulnerability description highlights that the flaw allows an attacker to escalate their privileges within the web-based management interface by inspecting API responses. The attacker would need valid Observer credentials to exploit this vulnerability.

Vulnerability Description

The vulnerability in Cisco DNA Center is rooted in the exposure of sensitive information through the management API, enabling an attacker to elevate their privileges on the affected device.

Affected Systems and Versions

The affected product is Cisco Digital Network Architecture Center (DNA Center), with the vulnerability affecting all versions.

Exploitation Mechanism

The attacker, by analyzing API responses, could potentially access the API with higher-level user privileges, compromising the security of the device.

Mitigation and Prevention

To address CVE-2023-20055, immediate steps should be taken to mitigate the risk of exploitation and enhance overall security posture.

Immediate Steps to Take

It is crucial to review and apply security recommendations provided by Cisco to mitigate the vulnerability. Organizations should also monitor for any unusual activities associated with the affected systems.

Long-Term Security Practices

Implementing robust access controls, regular security assessments, and employee training can fortify the network against potential attacks targeting privilege escalations.

Patching and Updates

Ensuring timely installation of security patches and updates from Cisco can help address vulnerabilities promptly and enhance the resilience of the network infrastructure.