What is the severity of CVE-2024-20314?

CVE-2024-20314 is rated as a high-severity vulnerability due to its potential to cause a denial of service (DoS) condition.

How do I fix CVE-2024-20314?

To mitigate CVE-2024-20314, update your Cisco IOS XE Software to the latest available version that addresses this vulnerability.

What types of devices are affected by CVE-2024-20314?

CVE-2024-20314 affects devices that run the Cisco IOS XE Software with the IPv4 Software-Defined Access (SD-Access) fabric edge node feature.

What impact does CVE-2024-20314 have on network operations?

CVE-2024-20314 can lead to high CPU utilization on the affected device, halting all traffic processing and resulting in a complete denial of service.

Who can exploit CVE-2024-20314?

CVE-2024-20314 can be exploited by unauthenticated, remote attackers, making it particularly concerning for network security.

Vulnerability/
CVE-2024-20314

high

8.6

CWE

783

27/3/2024

1/8/2024

CVE-2024-20314

First published: Wed Mar 27 2024(Updated: )

A vulnerability in the IPv4 Software-Defined Access (SD-Access) fabric edge node feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization and stop all traffic processing, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain IPv4 packets. An attacker could exploit this vulnerability by sending certain IPv4 packets to an affected device. A successful exploit could allow the attacker to cause the device to exhaust CPU resources and stop processing traffic, resulting in a DoS condition.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOS and IOS XE Software

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Reference Links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-sda-edge-dos-qZWuWXWG

Frequently Asked Questions

What is the severity of CVE-2024-20314?
CVE-2024-20314 is rated as a high-severity vulnerability due to its potential to cause a denial of service (DoS) condition.
How do I fix CVE-2024-20314?
To mitigate CVE-2024-20314, update your Cisco IOS XE Software to the latest available version that addresses this vulnerability.
What types of devices are affected by CVE-2024-20314?
CVE-2024-20314 affects devices that run the Cisco IOS XE Software with the IPv4 Software-Defined Access (SD-Access) fabric edge node feature.
What impact does CVE-2024-20314 have on network operations?
CVE-2024-20314 can lead to high CPU utilization on the affected device, halting all traffic processing and resulting in a complete denial of service.
Who can exploit CVE-2024-20314?
CVE-2024-20314 can be exploited by unauthenticated, remote attackers, making it particularly concerning for network security.

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