CVE-2025-55371
📋 TL;DR
This vulnerability in jshERP v3.5 allows unauthorized attackers to access sensitive handler information through the getAllList method in PersonController.java due to improper access control. Any organization using the vulnerable version is affected, potentially exposing employee or user data.
💻 Affected Systems
- jshERP
📦 What is this software?
Jsherp by Jishenghua
⚠️ Risk & Real-World Impact
Worst Case
Complete exposure of all handler information including potentially sensitive personal data, credentials, or system access details leading to further compromise.
Likely Case
Unauthorized access to handler information enabling reconnaissance for targeted attacks or data harvesting.
If Mitigated
Limited impact with proper network segmentation and access controls preventing external exploitation.
🎯 Exploit Status
The vulnerability appears to be exploitable without authentication by directly accessing the getAllList method.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check GitHub repository for updates beyond v3.5
Vendor Advisory: https://github.com/jishenghua/jshERP
Restart Required: No
Instructions:
1. Check the jshERP GitHub repository for security updates. 2. Apply the latest patch or upgrade to a fixed version. 3. Verify the PersonController.java file has proper access controls implemented.
🔧 Temporary Workarounds
Implement Access Control Middleware
allAdd authentication and authorization checks before the getAllList method execution
Modify PersonController.java to include proper @PreAuthorize or similar annotations
Network Segmentation
allRestrict access to the jshERP application to authorized users only
Configure firewall rules to limit access to jshERP endpoints
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) rules to block unauthorized access to /controller/PersonController endpoints
- Monitor and alert on unauthorized access attempts to the getAllList method
🔍 How to Verify
Check if Vulnerable:
Check if running jshERP v3.5 and test unauthorized access to the getAllList endpointCheck Version:
Check application version in jshERP interface or configuration filesVerify Fix Applied:
Attempt unauthorized access to the getAllList method after patching - should return access denied📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /controller/PersonController
- Multiple GET requests to getAllList endpoint from unauthenticated users
Network Indicators:
- Unusual traffic patterns to PersonController endpoints
- Requests bypassing authentication mechanisms
SIEM Query:
source="jshERP" AND (uri="/controller/PersonController" OR method="getAllList") AND user="anonymous"