CVE-2022-20848
HIGHCisco IOS XE - Unauthenticated Denial of Service via UDP Datagram Processing
Title source: llmDescription
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
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-udp-dos-XDyEwhNz
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