CVE-2023-7307Known exploitationPublic exploitNetwork attack vector

Internal file disclosure via unrestricted external entities

Published Aug 27, 2025 · Updated Aug 28, 2025

XXE injection in Sangfor Behavior Management System allows remote attackers to read internal files through crafted XML requests. The parser at /src/sangforindex resolves attacker-defined external entities without restriction, enabling file reads and server-side requests. No authentication is required; results are limited to data and network resources reachable by the appliance.

CVSS severity8.7
High
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XXE injection in Sangfor Behavior Management System allows remote attackers to read internal files through crafted XML requests. The parser at /src/sangforindex resolves attacker-defined external entities without restriction, enabling file reads and server-side requests. No authentication is required; results are limited to data and network resources reachable by the appliance.

The record

CVE
CVE-2023-7307
Published
Aug 27, 2025
Updated
Aug 28, 2025
Vendor
Sangfor Technologies
Product
Sangfor Behavior Management System
Classifications
CWE-611, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 6, 2023Exploitation reportedShadowserver observed exploitation of CVE-2023-7307
  2. Aug 27, 2025CVE publishedPublication date reported by the CVE source.
  3. Aug 28, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Sangfor Technologies · Sangfor Behavior Management Systemversion=*

Published CVSS scores

8.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitPublished

Weakness, pattern, technique

CWE-611Improper Restriction of XML External Entity Reference
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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