What’s Vulnerable › Vulnerabilities
CVE-2023-30803: Sangfor Next-Gen Application Firewall Authentication Bypass
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 20.9% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2023-10-10 · updated 2026-06-17
- Weakness: CWE-290
Description
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 products
References
- https://aws.amazon.com/marketplace/pp/prodview-uujwjffddxzp4
- https://labs.watchtowr.com/yet-more-unauth-remote-command-execution-vulns-in-firewalls-sangfor-edition/
- https://vulncheck.com/advisories/sangfor-ngaf-auth-bypass
- https://aws.amazon.com/marketplace/pp/prodview-uujwjffddxzp4
- https://labs.watchtowr.com/yet-more-unauth-remote-command-execution-vulns-in-firewalls-sangfor-edition/
- https://vulncheck.com/advisories/sangfor-ngaf-auth-bypass
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