CVE-2022-20847

High

Description

A vulnerability in the DHCP processing functionality of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to the improper processing of DHCP messages. An attacker could exploit this vulnerability by sending malicious DHCP messages to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

SeverityHigh
CVSS8.6
Exploit probability—
ProductCisco Ios Xe
PublishedSep 30, 2022
First seenSep 30, 2022
Weakness typeCWE-399CWE-399

How to fix

Affected products

ProductAffected versionsFixed in
cisco ios_xe17.3.3—

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