CVE-2020-3552

Cisco Aironet Access Points Ethernet Wired Clients Denial of Service Vulnerability

Description

A vulnerability in the Ethernet packet handling of Cisco Aironet Access Points (APs) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by connecting as a wired client to the Ethernet interface of an affected device and sending a series of specific packets within a short time frame. A successful exploit could allow the attacker to cause a NULL pointer access that results in a reload of the affected device.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.10%
Vendor Advisory cisco.com
Affected: Cisco Cisco Aironet Access Point Software
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-ethport-dos-xtjTt8pY vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-3552?
CVE-2020-3552 has been scored as a high severity vulnerability.
How to fix CVE-2020-3552?
To fix CVE-2020-3552, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3552 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-3552 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3552?
CVE-2020-3552 affects Cisco Cisco Aironet Access Point Software.
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