CVE-2023-20268

Cisco Access Point Software Uncontrolled Resource Consumption Vulnerability

Description

A vulnerability in the packet processing functionality of Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to exhaust resources on an affected device.  This vulnerability is due to insufficient management of resources when handling certain types of traffic. An attacker could exploit this vulnerability by sending a series of specific wireless packets to an affected device. A successful exploit could allow the attacker to consume resources on an affected device. A sustained attack could lead to the disruption of the Control and Provisioning of Wireless Access Points (CAPWAP) tunnel and intermittent loss of wireless client traffic.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory cisco.com
Affected: Cisco Cisco Aironet Access Point Software
Affected: Cisco Cisco Aironet Access Point Software (IOS XE Controller)
Affected: Cisco Cisco Business Wireless Access Point Software
Published at:
Updated at:

References

Link Tags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-dos-capwap-DDMCZS4m vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-20268?
CVE-2023-20268 has been scored as a medium severity vulnerability.
How to fix CVE-2023-20268?
To fix CVE-2023-20268, 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-2023-20268 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-20268 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-2023-20268?
CVE-2023-20268 affects Cisco Cisco Aironet Access Point Software, Cisco Cisco Aironet Access Point Software (IOS XE Controller), Cisco Cisco Business Wireless Access Point Software.
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