CVE-2020-3351 is a denial-of-service vulnerability in Cisco SD-WAN Solution Software, affecting various vEdge devices and the vSmart Controller. It stems from improper validation of fields in encapsulated UDP peering messages. This high-severity vulnerability (CVSS 8.6) can be exploited remotely by an unauthenticated attacker sending crafted UDP messages, leading to device failure and service disruption. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 17.2.7CPE matchmatch criteria | cpe:2.3:o:cisco:sd-wan_firmware:*:*:*:*:*:*:*:* | ||
>= 17.2.8, < 18.3.0CPE matchmatch criteria | cpe:2.3:o:cisco:sd-wan_firmware:*:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:cisco:vedge_cloud_router:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:cisco:vsmart_controller:-:*:*:*:*:*:*:* |
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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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.