Vulnerability · Published Aug 27, 2025 · Assigned by VulnCheck
CVE-2023-7307Sangfor Behavior Management System XML External Entity Injection
High 8.7
In plain English
A high-severity XML external entity in Sangfor Behavior Management System (DC Management System) from Sangfor Technologies Co. Ltd.. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Official description
Sangfor Behavior Management System (also referred to as DC Management System in Chinese-language documentation) contains an XML external entity (XXE) injection vulnerability in the /src/sangforindex endpoint. A remote unauthenticated attacker can submit crafted XML data containing external entity definitions, leading to potential disclosure of internal files, server-side request forgery (SSRF), or other impacts depending on parser behavior. The vulnerability is due to improper configuration of the XML parser, which allows resolution of external entities without restriction. This product is now integrated into their IAM (Internet Access Management) platform and an affected version range is undefined. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-09-06 UTC.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sangfor Technologies Co. Ltd. | Sangfor Behavior Management System (DC Management System) | * |
Weakness: CWE-611 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
References
- https://www.cnblogs.com/pursue-security/p/17666126.html technical-description, exploit
- https://support.sangfor.com.cn/productDocument/read?product_id=22&version_id=329&category_id=261800 product
- https://www.sangfor.com/blog/cybersecurity/launching-sangfor-iam-12-0-23-manage-risky-shadow-it-right-way product
- https://www.vulncheck.com/advisories/sangfor-behavior-management-system-xml-external-entity-injection third-party-advisory