CVE-2020-3486 describes multiple denial-of-service vulnerabilities in Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers, stemming from insufficient validation of CAPWAP packets. An unauthenticated, adjacent attacker can exploit these by sending malformed CAPWAP packets, causing the device to crash and reload. Rated Medium severity (CVSS 6.5), it requires adjacent network access but no user interaction, leading to a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:* |
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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