CVE-2020-3510 describes a denial-of-service vulnerability in the Umbrella Connector component of Cisco IOS XE Software for Catalyst 9200 Series Switches. This flaw, stemming from insufficient error handling during DNS request parsing, allows an unauthenticated, remote attacker to trigger a device reload. With a CVSS score of 8.6 (High), the vulnerability is easily exploitable over the network with low attack complexity, leading to a complete loss of availability. 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:*:*:*:*:*:*:* | ||
16.12.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.12.2:*:*:*:*:*:*:* | ||
17.1.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.1.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.