CVE-2024-20259: High severity cisco ios xe vulnerability

Published Mar 27, 2024
·
Updated

A vulnerability in the DHCP snooping feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to a crafted IPv4 DHCP request packet being mishandled when endpoint analytics are enabled. An attacker could exploit this vulnerability by sending a crafted DHCP request through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Note: The attack vector is listed as network because a DHCP relay anywhere on the network could allow exploits from networks other than the adjacent one.

Affected Software

178 affected components
Cisco IOS XE
All of the following
Any of the following
Cisco IOS XE=17.1.1
Cisco IOS XE=17.1.1a
Cisco IOS XE=17.1.1s
Cisco IOS XE=17.1.1t
Cisco IOS XE=17.1.3
Cisco IOS XE=17.2.1
Cisco IOS XE=17.2.1a
Cisco IOS XE=17.2.1r
Cisco IOS XE=17.2.1v
Cisco IOS XE=17.2.2
Cisco IOS XE=17.2.3
Cisco IOS XE=17.3.1
Cisco IOS XE=17.3.1a
Cisco IOS XE=17.3.1w
Cisco IOS XE=17.3.1x
Cisco IOS XE=17.3.1z
Cisco IOS XE=17.3.2
Cisco IOS XE=17.3.2a
Cisco IOS XE=17.3.3
Cisco IOS XE=17.3.4
Cisco IOS XE=17.3.4a
Cisco IOS XE=17.3.4b
Cisco IOS XE=17.3.4c
Cisco IOS XE=17.3.5
Cisco IOS XE=17.3.5a
Cisco IOS XE=17.3.5b
Cisco IOS XE=17.3.6
Cisco IOS XE=17.3.7
Cisco IOS XE=17.3.8
Cisco IOS XE=17.3.8a
Cisco IOS XE=17.4.1
Cisco IOS XE=17.4.1a
Cisco IOS XE=17.4.1b
Cisco IOS XE=17.4.2
Cisco IOS XE=17.4.2a
Cisco IOS XE=17.5.1
Cisco IOS XE=17.5.1a
Cisco IOS XE=17.6.1
Cisco IOS XE=17.6.1a
Cisco IOS XE=17.6.1w
Cisco IOS XE=17.6.1x
Cisco IOS XE=17.6.1y
Cisco IOS XE=17.6.1z
Cisco IOS XE=17.6.1z1
Cisco IOS XE=17.6.2
Cisco IOS XE=17.6.3
Cisco IOS XE=17.6.3a
Cisco IOS XE=17.6.4
Cisco IOS XE=17.6.5
Cisco IOS XE=17.6.5a
Cisco IOS XE=17.6.6
Cisco IOS XE=17.6.6a
Cisco IOS XE=17.7.1
Cisco IOS XE=17.7.1a
Cisco IOS XE=17.7.1b
Cisco IOS XE=17.7.2
Cisco IOS XE=17.8.1
Cisco IOS XE=17.8.1a
Cisco IOS XE=17.9.1
Cisco IOS XE=17.9.1a
Cisco IOS XE=17.9.1w
Cisco IOS XE=17.9.1x
Cisco IOS XE=17.9.1x1
Cisco IOS XE=17.9.1y
Cisco IOS XE=17.9.1y1
Cisco IOS XE=17.9.2
Cisco IOS XE=17.9.2a
Cisco IOS XE=17.9.3
Cisco IOS XE=17.9.3a
Cisco IOS XE=17.9.4
Cisco IOS XE=17.9.4a
Cisco IOS XE=17.10.1
Cisco IOS XE=17.10.1a
Cisco IOS XE=17.10.1b
Cisco IOS XE=17.11.1
Cisco IOS XE=17.11.1a
Cisco IOS XE=17.11.99sw
Cisco IOS XE=17.12.1
Cisco IOS XE=17.12.1a
Cisco IOS XE=17.12.1w
Any of the following
Cisco Catalyst 9100
Cisco Catalyst 9105
Cisco Catalyst 9105ax
Cisco Catalyst 9105axi
Cisco Catalyst 9105axw
Cisco Catalyst 9105i
Cisco Catalyst 9105w
Cisco Catalyst 9115
Cisco Catalyst 9115 Ap
Cisco Catalyst 9115ax
Cisco Catalyst 9115axe
Cisco Catalyst 9115axi
Cisco Catalyst 9117
Cisco Catalyst 9117 Ap
Cisco Catalyst 9117ax
Cisco Catalyst 9117axi
Cisco Catalyst 9120
Cisco Catalyst 9120 Ap
Cisco Catalyst 9120ax
Cisco Catalyst 9120axe
Cisco Catalyst 9120axi
Cisco Catalyst 9120axp
Cisco Catalyst 9124
Cisco Catalyst 9124ax
Cisco Catalyst 9124axd
Cisco Catalyst 9124axi
Cisco Catalyst 9124d
Cisco Catalyst 9124e
Cisco Catalyst 9124i
Cisco Catalyst 9130
Cisco Catalyst 9130 Ap
Cisco Catalyst 9130ax
Cisco Catalyst 9130axe
Cisco Catalyst 9130axi
Cisco Catalyst 9136
Cisco Catalyst 9162
Cisco Catalyst 9164
Cisco Catalyst 9166
Cisco Catalyst 9166d1
Cisco Catalyst 9200
Cisco Catalyst 9200cx
Cisco Catalyst 9200l
Cisco Catalyst 9300
Cisco Catalyst 9300-24p-a
Cisco Catalyst 9300-24p-e
Cisco Catalyst 9300-24s-a
Cisco Catalyst 9300-24s-e
Cisco Catalyst 9300-24t-a
Cisco Catalyst 9300-24t-e
Cisco Catalyst 9300-24u-a
Cisco Catalyst 9300-24u-e
Cisco Catalyst 9300-24ux-a
Cisco Catalyst 9300-24ux-e
Cisco Catalyst 9300-48p-a
Cisco Catalyst 9300-48p-e
Cisco Catalyst 9300-48s-a
Cisco Catalyst 9300-48s-e
Cisco Catalyst 9300-48t-a
Cisco Catalyst 9300-48t-e
Cisco Catalyst 9300-48u-a
Cisco Catalyst 9300-48u-e
Cisco Catalyst 9300-48un-a
Cisco Catalyst 9300-48un-e
Cisco Catalyst 9300-48uxm-a
Cisco Catalyst 9300-48uxm-e
Cisco Catalyst 9300l
Cisco Catalyst 9300l-24p-4g-a
Cisco Catalyst 9300l-24p-4g-e
Cisco Catalyst 9300l-24p-4x-a
Cisco Catalyst 9300l-24p-4x-e
Cisco Catalyst 9300l-24t-4g-a
Cisco Catalyst 9300l-24t-4g-e
Cisco Catalyst 9300l-24t-4x-a
Cisco Catalyst 9300l-24t-4x-e
Cisco Catalyst 9300l-48p-4g-a
Cisco Catalyst 9300l-48p-4g-e
Cisco Catalyst 9300l-48p-4x-a
Cisco Catalyst 9300l-48p-4x-e
Cisco Catalyst 9300l-48t-4g-a
Cisco Catalyst 9300l-48t-4g-e
Cisco Catalyst 9300l-48t-4x-a
Cisco Catalyst 9300l-48t-4x-e
Cisco Catalyst 9300l Stack
Cisco Catalyst 9300lm
Cisco Catalyst 9300x
Cisco Catalyst 9400
Cisco Catalyst 9407r
Cisco Catalyst 9600x
Cisco Catalyst 9800
Cisco Catalyst 9800-40
Cisco Catalyst 9800-80
Cisco Catalyst 9800-cl
Cisco Catalyst 9800-l
Cisco Catalyst 9800-l-c
Cisco Catalyst 9800-l-f
Cisco Dn-apl-tta-m
Cisco Dn-apl-tta-m-rf

Event History

Mar 27, 2024
CVE Published
via MITRE·04:53 PM
Data Sourced
via MITRE·04:53 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2024-20259?

CVE-2024-20259 is classified as a critical severity vulnerability that can lead to a denial of service (DoS) condition.

2

How do I fix CVE-2024-20259?

To mitigate CVE-2024-20259, users should upgrade to the latest version of Cisco IOS XE that addresses this vulnerability.

3

What does CVE-2024-20259 affect?

CVE-2024-20259 affects the DHCP snooping feature in Cisco IOS XE Software.

4

Who can exploit CVE-2024-20259?

An unauthenticated, remote attacker can exploit CVE-2024-20259 to send a crafted DHCP request packet.

5

What impact does CVE-2024-20259 have on affected devices?

The exploitation of CVE-2024-20259 can cause affected devices to reload unexpectedly, resulting in service disruption.

Contact

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