CVE-2020-3489 describes multiple denial-of-service (DoS) vulnerabilities in Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers, stemming from insufficient validation of Control and Provisioning of Wireless Access Points (CAPWAP) packets. An unauthenticated, adjacent attacker can exploit these flaws by sending a malformed CAPWAP packet, causing the affected device to crash and reload. The vulnerability carries a high CVSS score of 7.4, indicating a high impact on availability with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code, 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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The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.