CVE-2023-7307
High PUBLISHEDSangfor Behavior Management System XML External Entity Injection
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Aug 27, 2025
- Exploitation Reported
- Aug 27, 2025
- CVSS
- 8.7 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Sangfor Technologies Co. Ltd. |
Sangfor Behavior Management System (DC Management System)
|
* |
Affected |
CVE References
- Third-Party Advisory — vulncheck.com vulncheck.com · Third-Party Advisory https://www.vulncheck.com/advisories/sangfor-behavior-management-syst...
- Exploit — cnblogs.com cnblogs.com · Exploit https://www.cnblogs.com/pursue-security/p/17666126.html
- Product — support.sangfor.com.cn support.sangfor.com.cn · Product https://support.sangfor.com.cn/productDocument/read?product_id=22&ver...
- Product — sangfor.com sangfor.com · Product https://www.sangfor.com/blog/cybersecurity/launching-sangfor-iam-12-0...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2025-08-27 21:26 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
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
Exploitation Status
Exploited in the wild
Recorded 2025-08-27 21:26:14 UTC · The Shadowserver
Weaknesses (CWE)
-
Improper Restriction of XML External Entity Reference
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
21:26 UTC 11 months ago21:26 UTC · 11 months ago
CVE published
Vulnerability disclosed publicly
-
21:26 UTC 11 months ago21:26 UTC · 11 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
17:43 UTC 11 months ago17:43 UTC · 11 months ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2023-7307
{
"cve_id": "CVE-2023-7307",
"title": "Sangfor Behavior Management System XML External Entity Injection",
"affected_vendor": "Sangfor Technologies Co. Ltd.",
"affected_product": "Sangfor Behavior Management System (DC Management System)",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 8.7,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}