CVE-2025-9099

6.3 MEDIUM

📋 TL;DR

Acrel Environmental Monitoring Cloud Platform up to version 20250804 contains an unrestricted file upload vulnerability in the /NewsManage/UploadNewsImg endpoint. Attackers can remotely upload arbitrary files, potentially leading to server compromise. All users running vulnerable versions are affected.

💻 Affected Systems

Products:
  • Acrel Environmental Monitoring Cloud Platform
Versions: Up to and including 20250804
Operating Systems: All platforms running the software
Default Config Vulnerable: ⚠️ Yes
Notes: All deployments with the vulnerable endpoint accessible are affected.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete system compromise, data theft, or ransomware deployment.

🟠

Likely Case

Webshell upload enabling persistent access, data exfiltration, or lateral movement within the network.

🟢

If Mitigated

Limited impact if proper file upload validation and web application firewalls are in place.

🌐 Internet-Facing: HIGH - Attack can be initiated remotely without authentication.
🏢 Internal Only: MEDIUM - Internal attackers could exploit this for privilege escalation.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploit details are publicly available, making this easily exploitable.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: None available

Restart Required: No

Instructions:

Contact Acrel for patch information as they have not responded to disclosure.

🔧 Temporary Workarounds

Block vulnerable endpoint

all

Restrict access to /NewsManage/UploadNewsImg endpoint using web server or firewall rules.

# Example for Apache: RewriteRule ^/NewsManage/UploadNewsImg - [F]
# Example for Nginx: location ~ /NewsManage/UploadNewsImg { deny all; }

Implement file upload validation

all

Add server-side validation for file types, extensions, and content.

🧯 If You Can't Patch

  • Isolate the Acrel platform in a restricted network segment
  • Implement strict web application firewall rules to block malicious upload patterns

🔍 How to Verify

Check if Vulnerable:

Check if /NewsManage/UploadNewsImg endpoint accepts file uploads without proper validation. Test with various file types.

Check Version:

Check platform version in admin interface or configuration files.

Verify Fix Applied:

Verify that file upload validation is implemented and malicious uploads are rejected.

📡 Detection & Monitoring

Log Indicators:

  • Unusual file uploads to /NewsManage/UploadNewsImg
  • Uploads of executable files or scripts
  • Multiple failed upload attempts

Network Indicators:

  • POST requests to /NewsManage/UploadNewsImg with file attachments
  • Unusual outbound connections from the platform

SIEM Query:

source="web_logs" AND uri="/NewsManage/UploadNewsImg" AND method="POST" AND size>1000000

🔗 References

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