How severe is CVE-2023-30802?

CVE-2023-30802 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-30802 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30802?

CVE-2023-30802 affects Sangfor Next-gen Application Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30802?

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

When was CVE-2023-30802 published?

CVE-2023-30802 was published on 2023-10-10 and last updated on 2026-06-17.

CVE-2023-30802

CVE-2023-30802 is a medium-severity vulnerability in Sangfor Next-gen Application Firewall with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-668.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
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 a source code disclosure vulnerability. A remote and unauthenticated attacker can obtain PHP source code by sending an HTTP request with an invalid Content-Length field.

Frequently asked questions

What is CVE-2023-30802?: The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to a source code disclosure vulnerability. A remote and unauthenticated attacker can obtain PHP source code by sending an HTTP request with an invalid Content-Length field.
How severe is CVE-2023-30802?: CVE-2023-30802 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-30802 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30802?: CVE-2023-30802 affects Sangfor Next-gen Application Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30802?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-30802 published?: CVE-2023-30802 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:*:*:*:*:*:*:*

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