CVE-2023-20202 is a denial-of-service vulnerability in the Wireless Network Control daemon (wncd) of Cisco IOS XE Software for Wireless LAN Controllers, stemming from improper memory management. An unauthenticated, adjacent attacker can exploit this by sending specific network requests, causing the wncd process to consume excessive memory and leading to a device reload. Rated 6.5 MEDIUM, this vulnerability has a low attack complexity and high impact on availability, but there is no evidence of active exploitation, public exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
17.9.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.9.1:*:*:*:*:*:*:* | ||
17.9.1aCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.9.1a:*:*:*:*:*:*:* | ||
17.9.1wCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.9.1w:*:*:*:*:*:*:* | ||
17.9.1xCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.9.1x:*:*:*:*:*:*:* | ||
17.9.1x1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.9.1x1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
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