CVE-2018-0434: Cisco Vedge 1000 Firmware

High severity, CVSS 7.4. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability in the Zero Touch Provisioning feature of the Cisco SD-WAN Solution could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data by using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software.

Affected products

• Cisco Vedge 1000 Firmware: before 18.3.0 (fixed in 18.3.0)
• Cisco Vedge 100 Firmware: before 18.3.0 (fixed in 18.3.0)
• Cisco Vedge 2000 Firmware: before 18.3.0 (fixed in 18.3.0)
• Cisco Vedge 5000 Firmware: before 18.3.0 (fixed in 18.3.0)
• Cisco Vmanage Network Management System: affected versions not specified

Published 2018-10-05. Last modified 2026-06-17.