CVE-2023-30804Next-Gen Application Firewall Path Traversal
The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authenticated file disclosure vulnerability.
Published Oct 10, 2023 · Updated Oct 1, 2026
Key Facts
Patch immediately- CVE-2023-30804 is a medium-severity vulnerability (CVSS 6.9 v4) affecting Next-Gen Application Firewall (Sangfor), Net-Gen Application Firewall, Next-Gen Application Firewall (NGAF).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 10, 2023. A public exploit is reported by tracking sources, but no code link is listed yet.
- EPSS estimates a 39% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v4
6.9
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
EPSS (30-day exploit likelihood)
39%
Higher than 98.5% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
45/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Oct 10, 2023
0 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
2
Reports of active use
Advisories And Exploit References
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Oct 10, 2023 | n/a | Not reported |
| Industry KEV feed | Oct 10, 2023 | n/a | Not reported |
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Next-Gen Application FirewallSangfor | 8.0.17 | n/a |
| Net-Gen Application Firewall | >= 8.0.17 | n/a |
| Next-Gen Application Firewall (NGAF) | >= 8.0.17 | n/a |
Timeline
Publicly disclosed
Oct 10, 2023
Added to CIRCL KEV
Oct 10, 2023
Added to Industry KEV feed
Oct 10, 2023
Last updated
Oct 1, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
FAQ
Common Questions.
The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authenticated file disclosure vulnerability.
Affected: Next-Gen Application Firewall (Sangfor) versions 8.0.17; Net-Gen Application Firewall versions >= 8.0.17; Next-Gen Application Firewall (NGAF) versions >= 8.0.17. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 10, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
A public exploit is reported by tracking sources, but no code link is listed yet.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2023-30804 On Your Attack Surface?
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