CVE-2022-20847

HIGH

Cisco IOS XE Wireless Controller Software for Catalyst 9000 - DoS via DHCP Message Processing

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.6
EPSS 0.0095
EPSS Percentile 76.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-399
Status published
Products (1)
cisco/ios_xe 17.3.3
Published Sep 30, 2022
Tracked Since Feb 18, 2026