CVE-2023-30804 — The Sangfor Next-Gen Application Firewall version NGAF8
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 u
Published
2023-10-10T15:15:10.033
Last modified
2026-10-01T15:17:17.093
CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
01What is this vulnerability?
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.
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
08Timeline
- Published: 2023-10-10T15:15:10.033
- Last modified: 2026-10-01T15:17:17.093
09References
- github.com — https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilit…
- labs.watchtowr.com — https://labs.watchtowr.com/yet-more-unauth-remote-command-execution-vulns-in-fir…
- vulncheck.com — https://vulncheck.com/advisories/sangfor-ngaf-auth-file-disclosure
- aws.amazon.com — https://aws.amazon.com/marketplace/pp/prodview-uujwjffddxzp4
- labs.watchtowr.com — https://labs.watchtowr.com/yet-more-unauth-remote-command-execution-vulns-in-fir…
- vulncheck.com — https://vulncheck.com/advisories/sangfor-ngaf-auth-file-disclosure
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