CVE-2021-1373 is a denial-of-service vulnerability in Cisco IOS XE Wireless Controller Software for Catalyst 9000 Family Wireless Controllers, stemming from insufficient validation of CAPWAP packets. An unauthenticated, remote attacker can exploit this by sending a malformed CAPWAP packet, causing the device to crash and reload. This vulnerability has a CVSS score of 8.6 (High), indicating a network-based attack with low complexity and high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
16.10.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.10.1:*:*:*:*:*:*:* | ||
16.10.1eCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.10.1e:*:*:*:*:*:*:* | ||
16.10.1sCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.10.1s:*:*:*:*:*:*:* | ||
16.11.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:* | ||
16.11.1aCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
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