What is the severity of cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?

The severity of cisco-sa-ios-xe-l2tp-dos-eB5tuFmV is classified as high due to the potential for remote denial of service attacks.

How do I fix cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?

To fix cisco-sa-ios-xe-l2tp-dos-eB5tuFmV, you need to apply the recommended security patches or updates provided by Cisco for affected IOS XE versions.

What systems are affected by cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?

Cisco IOS XE Software systems that utilize the Layer 2 Tunneling Protocol (L2TP) feature are affected by cisco-sa-ios-xe-l2tp-dos-eB5tuFmV.

What type of attack can cisco-sa-ios-xe-l2tp-dos-eB5tuFmV facilitate?

cisco-sa-ios-xe-l2tp-dos-eB5tuFmV can facilitate a denial of service (DoS) attack allowing an unauthenticated remote attacker to disrupt device functionality.

Is authentication required to exploit cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?

No, authentication is not required to exploit cisco-sa-ios-xe-l2tp-dos-eB5tuFmV, making it particularly concerning for network security.

Vulnerability/
cisco-sa-ios-xe-l2tp-dos-eB5tuFmV

high

CWE

388

27/9/2023

cisco-sa-ios-xe-l2tp-dos-eB5tuFmV: Cisco IOS XE Software Layer 2 Tunneling Protocol Denial of Service Vulnerability

First published: Wed Sep 27 2023(Updated: )

A vulnerability in the Layer 2 Tunneling Protocol (L2TP) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.This vulnerability is due to improper handling of certain L2TP packets. An

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-l2tp-dos-eB5tuFmV

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2023-20227

Frequently Asked Questions

What is the severity of cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?
The severity of cisco-sa-ios-xe-l2tp-dos-eB5tuFmV is classified as high due to the potential for remote denial of service attacks.
How do I fix cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?
To fix cisco-sa-ios-xe-l2tp-dos-eB5tuFmV, you need to apply the recommended security patches or updates provided by Cisco for affected IOS XE versions.
What systems are affected by cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?
Cisco IOS XE Software systems that utilize the Layer 2 Tunneling Protocol (L2TP) feature are affected by cisco-sa-ios-xe-l2tp-dos-eB5tuFmV.
What type of attack can cisco-sa-ios-xe-l2tp-dos-eB5tuFmV facilitate?
cisco-sa-ios-xe-l2tp-dos-eB5tuFmV can facilitate a denial of service (DoS) attack allowing an unauthenticated remote attacker to disrupt device functionality.
Is authentication required to exploit cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?
No, authentication is not required to exploit cisco-sa-ios-xe-l2tp-dos-eB5tuFmV, making it particularly concerning for network security.

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Frequently Asked Questions

What is the severity of cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?
The severity of cisco-sa-ios-xe-l2tp-dos-eB5tuFmV is classified as high due to the potential for remote denial of service attacks.
How do I fix cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?
To fix cisco-sa-ios-xe-l2tp-dos-eB5tuFmV, you need to apply the recommended security patches or updates provided by Cisco for affected IOS XE versions.
What systems are affected by cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?
Cisco IOS XE Software systems that utilize the Layer 2 Tunneling Protocol (L2TP) feature are affected by cisco-sa-ios-xe-l2tp-dos-eB5tuFmV.
What type of attack can cisco-sa-ios-xe-l2tp-dos-eB5tuFmV facilitate?
cisco-sa-ios-xe-l2tp-dos-eB5tuFmV can facilitate a denial of service (DoS) attack allowing an unauthenticated remote attacker to disrupt device functionality.
Is authentication required to exploit cisco-sa-ios-xe-l2tp-dos-eB5tuFmV?
No, authentication is not required to exploit cisco-sa-ios-xe-l2tp-dos-eB5tuFmV, making it particularly concerning for network security.