CVE-2019-19747: Neuvector

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

NeuVector 3.1 when configured to allow authentication via Active Directory, does not enforce non-empty passwords which allows an attacker with access to the Neuvector portal to authenticate as any valid LDAP user by providing a valid username and an empty password (provided that the active directory server has not been configured to reject empty passwords).

Affected products

• Neuvector Neuvector: up to and including 3.1

Published 2019-12-20. Last modified 2026-06-17.