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CVE-2023-30806— Sangfor Next-Gen Application Firewall PHPSESSID Command Injection

Quick assessment

Affected

Sangfor Net-Gen Application Firewall

Exploitation

High exploitation probability; assess promptly

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sangfor Next-Gen Application Firewall（Sangfor NGAF）是中国深信服（Sangfor）公司的一款应用防火墙。 Sangfor Next-Gen Application Firewall NGAF8.0.17版本存在安全漏洞，该漏洞源于存在操作系统命令注入漏洞。攻击者可利用该漏洞通过向/cgi-bin/login.cgi端点发送HTTP POST请求来执行任意命令。

CVSS 9.8 · Critical EPSS 64.97% · P99 Updated Nov 24, 2025

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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I. Basic Information for CVE-2023-30806

Vulnerability Information

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Vulnerability Title

Sangfor Next-Gen Application Firewall PHPSESSID Command Injection

Source: CVE Program / CVE List V5

Vulnerability Description

The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an operating system command injection vulnerability. A remote and unauthenticated attacker can execute arbitrary commands by sending a crafted HTTP POST request to the /cgi-bin/login.cgi endpoint. This is due to mishandling of shell meta-characters in the PHPSESSID cookie.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

OS命令中使用的特殊元素转义处理不恰当(OS命令注入)

Source: CVE Program / CVE List V5

Vulnerability Title

Sangfor Next-Gen Application Firewall 操作系统命令注入漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Sangfor	Net-Gen Application Firewall	8.0.17	-

II. Public POCs for CVE-2023-30806

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2023-30806

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Other References for CVE-2023-30806 (3)

https://labs.watchtowr.com/yet-more-unauth-remote-command-execution-vulns-in-firewalls-sangfor-edition/ third-party-advisory exploit technical-description
https://vulncheck.com/advisories/sangfor-ngaf-sessid-rce third-party-advisory
https://aws.amazon.com/marketplace/pp/prodview-uujwjffddxzp4 product

https://www.cve.org/CVERecord?id=CVE-2023-30806

Same Patch Batch · Sangfor · 2023-10-10 · 5 CVEs total

CVE-2023-30805	9.8 CRITICAL	Sangfor Next-Gen Application Firewall Login Un Param Command Injection
CVE-2023-30803	9.8 CRITICAL	Sangfor Next-Gen Application Firewall Authentication Bypass
CVE-2023-30802	5.3 MEDIUM	Sangfor Next-Gen Application Firewall Source Code Disclosure
CVE-2023-30804	4.9 MEDIUM	Sangfor Next-Gen Application Firewall Authenticated File Disclosure

IV. Related Vulnerabilities

Same product: Net-Gen Application Firewall

Same vendor: Sangfor

Same weakness: CWE-78