CVE-2023-30803
Sangfor Next-Gen Application Firewall Authentication Bypass
CRITICAL 9.8EPSS 20.9%
The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authentication bypass vulnerability. A remote and unauthenticated attacker can bypass authentication and access administrative functionality by sending HTTP requests using a crafted Y-forwarded-for header.
- Affected
- Sangfor · Net-Gen Application Firewall
- CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 20.89% chance of exploitation in the next 30 days, 98th percentile
- Published
- 2023-10-10
- Updated
- 2025-11-28
Proof-of-concept exploits (1)
Security advisories
- https://labs.watchtowr.com/yet-more-unauth-remote-command-execution-vulns-in-firewalls-sa…
- https://vulncheck.com/advisories/sangfor-ngaf-auth-bypass
- https://aws.amazon.com/marketplace/pp/prodview-uujwjffddxzp4