CVE-2023-30804
The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authenticated file disclosure vulnerability.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 38.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 4.0
- 6.9 MEDIUMCVSS: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/M
- EPSS
- 38.95% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- sangfor/next-gen application firewall
- Source
- disclosure@vulncheck.com
EPSS moved from 34.0% on 2 October 2026 to 38.9% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/sangfor/sangfor-ngaf-lfi.yaml
- https://labs.watchtowr.com/yet-more-unauth-remote-command-execution-vulns-in-firewalls-sangfor-edition/Exploit, Third Party Advisory
- https://vulncheck.com/advisories/sangfor-ngaf-auth-file-disclosureThird Party Advisory
- https://aws.amazon.com/marketplace/pp/prodview-uujwjffddxzp4Product
- https://labs.watchtowr.com/yet-more-unauth-remote-command-execution-vulns-in-firewalls-sangfor-edition/Exploit, Third Party Advisory
- https://vulncheck.com/advisories/sangfor-ngaf-auth-file-disclosureThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.