CVE-2023-30805: Sangfor Next-Gen Application Firewall

Critical severity, CVSS 9.8. EPSS: 65.8% chance of exploitation in the next 30 days.

The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an operating system command injection vulnerability. A remote and unauthenticated attacker can execute arbitrary commands by sending a crafted HTTP POST request to the /LogInOut.php endpoint. This is due to mishandling of shell meta-characters in the "un" parameter.

Affected products

• Sangfor Next-Gen Application Firewall: version 8.0.17 only

Published 2023-10-10. Last modified 2026-06-17.