CVE-2020-3369 HIGH

CVE-2020-3369: Cisco SD-WAN vEdge Routers Denial of Service Vulnerability

Vendor Cisco
Product Cisco SD-WAN vEdge router
Weakness CWE-118
Published July 16, 2020
Last update November 15, 2024

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

What the vulnerability does

01Description

A vulnerability in the deep packet inspection (DPI) engine of Cisco SD-WAN vEdge Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper processing of FTP traffic. An attacker could exploit this vulnerability by sending crafted FTP packets through an affected device. A successful exploit could allow the attacker to make the device reboot continuously, causing a DoS condition.

Key dates

02Disclosure timeline

July 16, 2020 CVE published
November 15, 2024 Record updated