CVE-2023-20106 Explained : Impact and Mitigation

This CVE-2023-20106 advisory addresses multiple vulnerabilities in Cisco Identity Services Engine (ISE) that could potentially be exploited by an authenticated attacker to delete or read arbitrary files on the underlying operating system.

Understanding CVE-2023-20657

This vulnerability in Cisco Identity Services Engine (ISE) can allow an attacker with valid credentials to carry out arbitrary file deletion and reading actions on the affected device.

What is CVE-2023-20657?

The CVE-2023-20106 vulnerability in Cisco Identity Services Engine (ISE) allows an authenticated attacker to delete or read arbitrary files on the underlying operating system.

The Impact of CVE-2023-20657

The impact of this vulnerability is rated as medium with a CVSS base score of 5.4. While the attack complexity is low and requires low privileges, the confidentiality and integrity impact are both low, with no availability impact.

Technical Details of CVE-2023-20657

This section covers key technical details regarding the vulnerability.

Vulnerability Description

The vulnerability allows an authenticated attacker to delete or read arbitrary files on the underlying operating system of the Cisco Identity Services Engine (ISE).

Affected Systems and Versions

The affected product in this case is the Cisco Identity Services Engine Software, with the specific version being "n/a."

Exploitation Mechanism

To exploit this vulnerability, an attacker must have valid credentials on the affected device, which they can then leverage to delete or read arbitrary files.

Mitigation and Prevention

It is crucial to take immediate steps and implement long-term security practices to mitigate the risks associated with this vulnerability.

Immediate Steps to Take

Ensure all systems running Cisco Identity Services Engine Software are up to date.
Monitor network activity for any suspicious behavior.
Review and restrict user access to prevent unauthorized actions.

Long-Term Security Practices

Regularly update and patch all software and systems.
Implement the principle of least privilege to restrict user access.
Conduct regular security audits and assessments to identify and address vulnerabilities proactively.

Patching and Updates

Refer to the Cisco Security Advisory for specific patch details and updates related to CVE-2023-20106 to secure your systems and prevent potential exploitation of this vulnerability.