Auth bypass in Forcepoint Next Generation Firewall

CVE-2019-6143

Forcepoint Next Generation Firewall (Forcepoint NGFW) 6.4.x before 6.4.7, 6.5.x before 6.5.4, and 6.6.x before 6.6.2 has a serious authentication vulnerability that potentially allows unauthorized users to bypass password authentication and access services protected by the NGFW Engine. The vulnerability affects the following NGFW features when the LDAP authentication method is used as the backend authentication: IPsec VPN, SSL VPN or Browser-based user authentication. The vulnerability does not apply when any other backend authentication is used. The RADIUS authentication method is not vulnerable, for example.

Vulnerability class: Broken Authentication

EPSS: 0.011 (63.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-6143?
CVE-2019-6143 is a critical-severity vulnerability in Forcepoint Next Generation Firewall, classified under Improper Authentication. CVSS score: 9.1/10. Published 2019-08-20.
How severe is CVE-2019-6143?
Critical severity. CVSS v3 base score is 9.1 out of 10.