CVE-2023-30803CWE-290

Sangfor Next-Gen Application Firewall Authentication Bypass

Critical · published October 10, 2023

CVSS v3.1
9.8
EPSS
21%
Percentile
97.6
In the wild
Unconfirmed
What it is

🚨 An unauthenticated HTTP request is all it takes to sneak past the gates! The Sangfor NGAF8.0.17 can be tricked into granting full access to admin controls just by manipulating the Y-forwarded-for header. 🔥 Think of it like a restaurant where anyone can enter through the kitchen door if they know the secret code — no reservations or checks required! This sneaky trick allows attackers to access critical settings without breaking a sweat. An attacker could exploit this vulnerability to gain complete control over the administrative features of the firewall. This means they could change configurations, access sensitive data, and even compromise the entire network, leaving it vulnerable to further attacks. It's absolutely devastating!

Put simply

Think of it like a restaurant where anyone can enter through the kitchen door if they know the secret code — no reservations or checks required! This sneaky trick allows attackers to access critical settings without breaking a sweat. This authentication bypass vulnerability allows remote, unauthenticated attackers to gain access by sending specially crafted HTTP requests that exploit the Y-forwarded-for header, allowing them to bypass normal authentication procedures.

What to do

An attacker could exploit this vulnerability to gain complete control over the administrative features of the firewall. This means they could change configurations, access sensitive data, and even compromise the entire network, leaving it vulnerable to further attacks. It's absolutely devastating! Patch immediately to Sangfor NGAF8.0.18 or higher to close this loophole. Additionally, review your firewall configurations and monitor for any suspicious HTTP requests that may attempt to exploit this vulnerability. Don't take this lightly! You've got this! Act fast, and you'll strengthen your defenses in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.20887 · 97.6th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2023-10-10T14:14Z
EPSS history
Timeline
  • 10 OCT 14:14Z
    Sangfor Next-Gen Application Firewall Authentication Bypass
    cvelistv5