PT-2020-3115 · Cisco · Cisco Sd-Wan Solution

Published 2020-07-15 · Updated 2020-07-23 · CVE-2020-3351

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco SD-WAN Solution Software (affected versions not specified)

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

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-399

CWE-400

Related Identifiers

BDU:2020-03407

CVE-2020-3351

Affected Products

Cisco Sd-Wan Solution

References · 4

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdw-dos-KWOdyHnB · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3351 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3351 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-03407 · Security Note