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Vulnerabilities

Vulnerability · CVE-2023-30804

Sangfor next-gen_application_firewall Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Published Oct 10, 2023 · catalog updated Oct 10, 2023 · Sangfor

Patch now

CVE-2023-30804 is in the CISA known-exploited catalog. Confirm Sangfor against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
38.95%
Remediation
Remediation guidance
Affected products
vendor Sangfor next-gen_application_firewall

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Sangfor next-gen_application_firewallversion unspecified

How to fix CVE-2023-30804

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-30804 is in the CISA known-exploited catalog. Confirm Sangfor against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 38.95%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 10, 2023 · VulnCheck KEV

    Detected

    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.

  2. Oct 10, 2023 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2023-30804

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-30804

    30-day exploitation probability 38.9%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-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 u

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.