How severe is CVE-2023-30804?

CVE-2023-30804 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-30804 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30804?

CVE-2023-30804 affects Sangfor Next-gen Application Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30804?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-30804 published?

CVE-2023-30804 was published on 2023-10-10 and last updated on 2026-06-17.

CVE-2023-30804

CVE-2023-30804 is a medium-severity vulnerability in Sangfor Next-gen Application Firewall with a CVSS 3.x base score of 4.9. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Sangfor Next-gen Application Firewall
Published: 2023-10-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-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 unauthenticated attacker when paired with CVE-2023-30803.
How severe is CVE-2023-30804?: CVE-2023-30804 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-30804 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30804?: CVE-2023-30804 affects Sangfor Next-gen Application Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30804?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-30804 published?: CVE-2023-30804 was published on 2023-10-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sangfor:next-gen_application_firewall:8.0.17:*:*:*:*:*:*:*

More vulnerabilities in Sangfor Next-gen Application Firewall

CVE-2023-30806 — Critical (CVSS 9.8): The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an operating system command injection…
CVE-2023-30805 — Critical (CVSS 9.8): The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an operating system command injection…
CVE-2023-30803 — Critical (CVSS 9.8): The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authentication bypass vulnerability. A…
CVE-2023-30802 — Medium (CVSS 5.3): The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to a source code disclosure vulnerability. A…

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