CVE-2018-7340: Cisco Duo Network Gateway

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Duo Network Gateway 1.2.9 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.

Affected products

• Cisco Duo Network Gateway: up to and including 1.2.9

Published 2019-04-17. Last modified 2026-06-17.