CVE-2018-0163 : Security Advisory and Response

A vulnerability in Cisco IOS Software's 802.1x multi-authentication feature allows unauthorized attackers to bypass authentication, potentially leading to unauthorized network access.

Understanding CVE-2018-0163

This CVE involves a flaw in Cisco IOS Software's 802.1x multi-authentication feature that could be exploited by attackers.

What is CVE-2018-0163?

The vulnerability allows attackers in close proximity to evade the authentication process on a port configured for 802.1x multi-authentication, granting unauthorized network access.

The Impact of CVE-2018-0163

Unauthorized attackers can bypass access controls of 802.1x and gain unauthorized network access.

Technical Details of CVE-2018-0163

This section provides technical details about the vulnerability.

Vulnerability Description

The flaw in Cisco IOS Software's 802.1x multi-authentication feature allows attackers to bypass authentication on a configured port.

Affected Systems and Versions

Product: Cisco IOS
Version: Cisco IOS

Exploitation Mechanism

Attackers exploit a logic change error in the code to gain unauthorized network access.

Mitigation and Prevention

Learn how to mitigate and prevent exploitation of CVE-2018-0163.

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly monitor and update network security measures.
Conduct security training for employees to enhance awareness.

Patching and Updates

Regularly check for security advisories and apply patches as soon as they are available.