CVE-2023-7307

HIGH EXPLOITED

Sangfor Behavior Management System - XXE Injection

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-7307 has been observed exploited in the wild (reported by VulnCheck KEV).

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.

Scores

CVSS v4 8.7
EPSS 0.0048
EPSS Percentile 37.6%
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

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

VulnCheck KEV 2023-09-06
CWE
CWE-611
Status published
Products (1)
Sangfor Technologies Co. Ltd./Sangfor Behavior Management System (DC Management System)
Published Aug 27, 2025
Tracked Since Feb 18, 2026