CVE-2023-30805
Published: 10 October 2023
Summary
CVE-2023-30805 is a critical-severity OS Command Injection (CWE-78) vulnerability in Sangfor Next-Gen Application Firewall. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 5.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
The vulnerability CVE-2023-30805 is an operating system command injection flaw in Sangfor Next-Gen Application Firewall version NGAF8.0.17. It arises from mishandling of shell meta-characters in the "un" parameter of the /LogInOut.php endpoint, which is reachable over the network.
A remote unauthenticated attacker can exploit the issue by submitting a crafted HTTP POST request, resulting in arbitrary operating system command execution. Successful exploitation grants full control over the affected appliance, with impacts spanning confidentiality, integrity, and availability as scored under CVSS 9.8.
The associated EPSS score rose from a low baseline to a peak of 0.1875 (current value 0.1485), indicating that exploitation interest increased after public disclosure. Public analyses from researchers have detailed the unauthenticated remote code execution path in this widely deployed firewall product.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-35165
Vulnerability details
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…
more
mishandling of shell meta-characters in the "un" parameter.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.