CVE-2017-6665 : What You Need to Know

Cisco IOS and IOS XE software contain a security weakness in the Autonomic Networking function that allows nearby attackers to reset the Autonomic Control Plane (ACP) without authentication. This could lead to unauthorized access to unencrypted ACP packets.

Understanding CVE-2017-6665

This CVE identifies an Information Disclosure Vulnerability in Cisco IOS and IOS XE software.

What is CVE-2017-6665?

The vulnerability in Autonomic Networking could be exploited by attackers in close proximity to reset the ACP and access unencrypted ACP packets.

The Impact of CVE-2017-6665

The vulnerability allows unauthorized access to sensitive ACP packets, potentially compromising the confidentiality of network communications.

Technical Details of CVE-2017-6665

Cisco IOS and IOS XE software are affected by this vulnerability.

Vulnerability Description

The flaw enables nearby attackers to reset the Autonomic Control Plane and view unencrypted ACP packets, posing an Information Disclosure risk.

Affected Systems and Versions

Product: Cisco IOS and IOS XE
Vulnerable Versions: Denali-16.2.1, Denali-16.3.1

Exploitation Mechanism

Attackers in proximity can exploit the vulnerability to reset the ACP and intercept unencrypted ACP packets.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risk.

Immediate Steps to Take

Apply vendor-supplied patches promptly
Implement network segmentation to limit exposure
Monitor network traffic for suspicious activity

Long-Term Security Practices

Regularly update software and firmware
Conduct security training for staff
Employ encryption for sensitive data

Patching and Updates

Cisco has released patches to address the vulnerability
Regularly check for security advisories and apply updates promptly