CVE-2020-3493 describes multiple denial-of-service 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. This vulnerability carries a CVSS score of 7.4 (HIGH), indicating a significant impact on availability with low attack complexity. There is 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.