CVE-2020-3390 is a denial-of-service vulnerability affecting Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family. An unauthenticated, adjacent attacker can exploit a lack of input validation in SNMP trap generation for wireless clients. By sending a crafted 802.1x packet during wireless authentication, the attacker can cause the device to unexpectedly reload. This vulnerability has a CVSS score of 7.4 (High) due to its low attack complexity and significant impact (device reload). There is no known public exploit code, active exploitation, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
16.12.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
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