CVE-2020-3378: Cisco SD-WAN Firmware

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface for Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to impact the integrity of an affected system by executing arbitrary SQL queries. The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending crafted input that includes SQL statements to an affected system. A successful exploit could allow the attacker to modify entries in some database tables, affecting the integrity of the data.

Affected products

• Cisco SD-WAN Firmware: before 18.4.5 (fixed in 18.4.5); from 19.2.0, before 19.2.3 (fixed in 19.2.3)

Published 2020-07-16. Last modified 2026-06-17.