CVE-2018-0195 : What You Need to Know

Cisco IOS XE Software REST API vulnerability allows authenticated remote attackers to bypass authorization checks and execute privileged actions.

Understanding CVE-2018-0195

This CVE involves a security weakness in the Cisco IOS XE Software REST API that enables attackers to perform unauthorized privileged actions on affected devices.

What is CVE-2018-0195?

The vulnerability in the Cisco IOS XE Software REST API allows authenticated remote attackers to bypass API authorization checks and carry out privileged actions on impacted devices.

The Impact of CVE-2018-0195

Attackers can exploit this vulnerability to execute damaging requests via the REST API on affected devices.
Successful exploitation enables attackers to evade authorization checks and perform privileged actions on the device.

Technical Details of CVE-2018-0195

The technical aspects of the CVE provide insight into the vulnerability and its implications.

Vulnerability Description

Lack of sufficient authorization checks in the REST API of the impacted software leads to the security weakness.
Exploitation involves sending damaging requests to affected devices via the REST API.

Affected Systems and Versions

Product: Cisco IOS XE
Version: Cisco IOS XE

Exploitation Mechanism

Attackers exploit the vulnerability by sending malicious requests to affected devices through the REST API.

Mitigation and Prevention

Steps to address and prevent the exploitation of CVE-2018-0195.

Immediate Steps to Take

Apply vendor-provided patches and updates promptly.
Monitor network traffic for any suspicious activity related to the REST API.

Long-Term Security Practices

Regularly review and update access control policies for the REST API.
Conduct security assessments to identify and address vulnerabilities proactively.

Patching and Updates

Implement patches and updates provided by Cisco to mitigate the vulnerability effectively.