Vulnerability · Published Jul 16, 2020 · Assigned by cisco

CVE-2020-3351Cisco SD-WAN Solution Software Denial of Service Vulnerability

High 8.6

In plain English

A high-severity security flaw in Cisco SD-WAN Solution from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.0)8.6High

Exploit odds (30 days)1.4%top 27.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in Cisco SD-WAN Solution Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper validation of fields in Cisco SD-WAN peering messages that are encapsulated in UDP packets. An attacker could exploit this vulnerability by sending crafted UDP messages to the targeted system. A successful exploit could allow the attacker to cause services on the device to fail, resulting in a DoS condition that could impact the targeted device and other devices that depend on it.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco SD-WAN Solution	n/a

Weakness: CWE-399 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References

20200715 Cisco SD-WAN Solution Software Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO