Sangfor Next-Gen Application Firewall 8.0.17 /LogInOut.php un os command injection

Summaryinfo

A vulnerability labeled as critical has been found in Sangfor Next-Gen Application Firewall 8.0.17. The affected element is an unknown function of the file /LogInOut.php. Executing a manipulation of the argument un can lead to os command injection. This vulnerability is registered as CVE-2023-30805. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Sangfor Next-Gen Application Firewall 8.0.17 (Firewall Software). It has been declared as very critical. This vulnerability affects an unknown part of the file /LogInOut.php. The manipulation of the argument un with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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 /LogInOut.php endpoint. This is due to mishandling of shell meta-characters in the "un" parameter.

The weakness was published 10/10/2023. The advisory is shared for download at vulncheck.com. This vulnerability was named CVE-2023-30805 since 04/18/2023. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/28/2025). The MITRE ATT&CK project declares the attack technique as T1202.

By approaching the search of inurl:LogInOut.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Firewall Software

Vendor

• Sangfor

Name

• Next-Gen Application Firewall

Version

• 8.0.17

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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