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Cisco XE: CVE-2023-20202: Cisco IOS XE Software for Wireless LAN Controllers Wireless Network Control Denial of Service Vulnerability

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Cisco XE: CVE-2023-20202: Cisco IOS XE Software for Wireless LAN Controllers Wireless Network Control Denial of Service Vulnerability

Severity
5
CVSS
(AV:A/AC:H/Au:N/C:N/I:N/A:C)
Published
09/27/2023
Created
09/28/2023
Added
09/28/2023
Modified
01/22/2025

Description

A vulnerability in the Wireless Network Control daemon (wncd) of Cisco IOS XE Software for Wireless LAN Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper memory management. An attacker could exploit this vulnerability by sending a series of network requests to an affected device. A successful exploit could allow the attacker to cause the wncd process to consume available memory and eventually cause the device to reload, resulting in a DoS condition.

Solution(s)

  • cisco-xe-update-latest

References

  • https://attackerkb.com/topics/cve-2023-20202
  • CVE - 2023-20202
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-wncd-HFGMsfSD
  • cisco-sa-wlc-wncd-HFGMsfSD
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