CVE-2022-20848

HIGH

Cisco IOS XE - Unauthenticated Denial of Service via UDP Datagram Processing

Title source: llm
STIX 2.1

Description

A vulnerability in the UDP processing functionality of Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst 9100 Series Access Points could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to the improper processing of UDP datagrams. An attacker could exploit this vulnerability by sending malicious UDP datagrams 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 0.0163
EPSS Percentile 82.1%
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 (3)
cisco/ios_xe 17.6.1
cisco/ios_xe 17.6.3
cisco/ios_xe 17.9.1
Published Sep 30, 2022
Tracked Since Feb 18, 2026