CVE-2020-3260 : What You Need to Know

A vulnerability in Cisco Aironet Series Access Points Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.

Understanding CVE-2020-3260

This CVE involves a vulnerability in Cisco Aironet Series Access Points Software that could lead to a DoS attack.

What is CVE-2020-3260?

The vulnerability arises from improper processing of client packets by the affected access point, enabling an attacker to crash the device by sending a large number of sustained client packets.

The Impact of CVE-2020-3260

CVSS Base Score: 7.4 (High Severity)
Attack Vector: Adjacent Network
Availability Impact: High
Successful exploitation could result in a DoS condition on the affected AP.

Technical Details of CVE-2020-3260

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows an unauthenticated attacker to trigger a DoS condition by flooding the affected AP with client packets.

Affected Systems and Versions

Affected Product: Cisco Aironet Access Point Software
Vendor: Cisco
Affected Version: Not applicable

Exploitation Mechanism

Attack Complexity: Low
Privileges Required: None
Scope: Changed
The attacker needs to be in the adjacent network to exploit the vulnerability.

Mitigation and Prevention

Protecting systems from CVE-2020-3260 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor network traffic for any signs of abnormal packet activity.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Regularly update and patch all network devices to mitigate known vulnerabilities.

Patching and Updates

Stay informed about security advisories from Cisco and apply patches as soon as they are available.