CVE-2020-3265: Cisco SD-WAN Firmware

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability in Cisco SD-WAN Solution software could allow an authenticated, local attacker to elevate privileges to root on the underlying operating system. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to gain root-level privileges.

Affected products

• Cisco SD-WAN Firmware: before 18.4.5 (fixed in 18.4.5); from 19.2.0, before 19.2.2 (fixed in 19.2.2); version 20.1.0 only

Published 2020-03-19. Last modified 2026-06-17.