Sangfor Next-Gen Application Firewall Authenticated File Disclosure
CVE-2023-30804

6.9MEDIUM

Key Information:

Vendor

Sangfor

Status
Next-gen Application Firewall (ngaf)
Vendor
CVE Published:
10 October 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 38%

What is CVE-2023-30804?

The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authenticated file disclosure vulnerability. A remote and authenticated attacker can read arbitrary system files using the svpn_html/loadfile.php endpoint. This issue is exploitable by a remote and unauthenticated attacker when paired with CVE-2023-30803.

Affected Version(s)

Next-Gen Application Firewall (NGAF) Linux 8.0.17

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-30804 - Proof of Concept

References

https://labs.watchtowr.com/yet-more-unauth-remote-command...
exploittechnical-description
https://github.com/projectdiscovery/nuclei-templates/blob...
technical-description
https://vulncheck.com/advisories/sangfor-ngaf-auth-file-d...
third-party-advisory

EPSS Score

38% chance of being exploited in the next 30 days.

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

watchTowr Labs
watchTowr Labs
.