PT-2023-5575 · Cisco · Cisco Ios Xe

Published 2023-09-27 · Updated 2024-01-25 · CVE-2023-20202

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software for Wireless LAN Controllers (affected versions not specified)

Description A vulnerability in the Wireless Network Control daemon (wncd) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. This issue is due to improper memory management. An attacker could exploit this vulnerability by sending a series of network requests to an affected device, causing the wncd process to consume available memory and eventually leading to a device reload.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Improper Resource Release

Weakness Enumeration

CWE-789

CWE-404

Related Identifiers

BDU:2023-06226

CVE-2023-20202

Affected Products

Cisco Ios Xe

References · 8

• https://bdu.fstec.ru/vul/2023-06226 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-wncd-HFGMsfSD · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-20202 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20202 · Security Note
• https://twitter.com/CVEnew/status/1707087599624396948 · Twitter Post
• https://vuldb.com/?id.240715 · Note
• https://twitter.com/DMFezzaReedCISA/status/1707126582433693838 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1707140903012299219 · Twitter Post