SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-30802

The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to a source code disclosure vulnerability.

MEDIUM 5.3EPSS 0.81%

Does this matter?

Lower severity and a low EPSS score (0.81%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
0.81% probability · 57th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-540, CWE-668
Affected
sangfor/next-gen application firewall
Source
disclosure@vulncheck.com
EPSS trend
0%3%5%26 October 2026: 0.81%26 October 202626 October 2026

EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.