Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

🚨 **Essence**: JEHC-BPM v2.0.1 suffers from **Arbitrary File Upload** via `/server/executeExec`.
💥 **Consequences**: Leads to **Remote Code Execution (RCE)**. Attackers can take full control of the server.…

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

🛡️ **Root Cause**: **Insufficient Authorization Checks** (CWE-862). The `/server/executeExec` endpoint lacks proper access control, allowing unauthenticated users to trigger file uploads and command execution directly.

Question 3

Who is affected? (Versions/Components)

Accepted Answer

📦 **Affected**: **JEHC-BPM** (Open Source BPM Platform).
🔢 **Version**: Specifically **v2.0.1** and likely earlier versions.
👤 **Vendor**: JEHc (Individual Developer).

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

💀 **Attacker Capabilities**:
✅ **Full System Control**: Execute arbitrary OS commands.
✅ **Data Theft**: Read/Write any file on the server.…

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

⚡ **Exploitation Threshold**: **EXTREMELY LOW**.
🌐 **Network**: Remote (AV:N).
🔑 **Auth**: None required (PR:N).
🖱️ **User Interaction**: None required (UI:N).
🎯 **Complexity**: Low (AC:L).…

Question 6

Is there a public Exp? (PoC/Wild Exploitation)

Accepted Answer

🔓 **Public Exploit**: **YES**.
📄 **PoC Available**: Nuclei template published by ProjectDiscovery.
🌍 **Wild Exploitation**: High risk due to simplicity. Gist links confirm active analysis.…

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

🔍 **Self-Check Methods**:
1. **Nuclei Scan**: Run `nuclei -t CVE-2025-45854.yaml`.
2. **Manual Test**: POST request to `/server/executeExec` with malicious file payload.
3.…

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

🩹 **Official Patch**: **UNKNOWN**.
⚠️ **Status**: Vendor is an individual developer. No official patch link provided in data.
📉 **Risk**: High likelihood of delayed or non-existent official fix.

Question 9

What if no patch? (Workaround)

Accepted Answer

🛡️ **Workarounds (No Patch)**:
1. **Network Isolation**: Block external access to `/server/executeExec`.
2. **WAF/IPS**: Deny requests to this path.
3.…

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

🚨 **Urgency**: **CRITICAL / IMMEDIATE ACTION**.
📉 **Priority**: P0.
📢 **Reason**: Unauthenticated RCE with public PoC. Do not wait for a patch. Isolate the service immediately.

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CVE-2025-45854 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

Q2Root Cause? (CWE/Flaw)

Q3Who is affected? (Versions/Components)

Q4What can hackers do? (Privileges/Data)

Q5Is exploitation threshold high? (Auth/Config)

Q6Is there a public Exp? (PoC/Wild Exploitation)

Q7How to self-check? (Features/Scanning)

Q8Is it fixed officially? (Patch/Mitigation)

Q9What if no patch? (Workaround)

Q10Is it urgent? (Priority Suggestion)

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