CVE-2020-3369

HIGH

Cisco SD-WAN vEdge Routers - DoS

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 7.5
EPSS 0.0116
EPSS Percentile 78.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-118
Status published
Products (5)
cisco/sd-wan_firmware 19.2.0
cisco/sd-wan_firmware 19.2.1
cisco/sd-wan_firmware 19.2.097
cisco/sd-wan_firmware 19.2.098
cisco/vedge_cloud_router
Published Jul 16, 2020
Tracked Since Feb 18, 2026