CVE-2025-31125 — AI Deep Analysis Summary

🚨 **What is this vulnerability?** * **Essence:** A Path Traversal flaw in Vite's Dev Server `@fs` endpoint. * **Mechanism:** Attackers use crafted URLs (`?inline&import` or `?raw?…

🛡️ **Root Cause? (CWE/Flaw)** * **CWE ID:** CWE-200 (Exposure of Sensitive Information). * **Flaw:** Inadequate validation of file paths in the `@fs` endpoint. * **Result:** Allows access to files **outside** the …

👥 **Who is affected? (Versions/Components)** * **Product:** Vite (Frontend Build Tool). * **Affected Versions:** All versions **prior** to the fixes. * **Fixed Versions:** * v6.2.4, v6.1.3, v6.0.13 * v…

🕵️ **What can hackers do? (Privileges/Data)** * **Action:** Read arbitrary files from the server's filesystem. * **Target Data:** Sensitive configs, credentials, system files (`/etc/shadow`, `/etc/hosts`). * **Pri…

🚧 **Is exploitation threshold high? (Auth/Config)** * **CVSS:** AV:N / AC:H / PR:N / UI:R. * **Auth:** **None** required (PR:N).…

💣 **Is there a public Exp? (PoC/Wild Exploitation)** * **Yes!…

🔍 **How to self-check? (Features/Scanning)** * **Manual:** Send request to `http://target/@fs/../../etc/passwd`. * **Automated:** * Use Nuclei Templates (`CVE-2025-31125.yaml`). * Run Python PoC scripts …

🩹 **Is it fixed officially? (Patch/Mitigation)** * **Yes!…

🛑 **What if no patch? (Workaround)** * **Disable Public Access:** Do **NOT** use `--host` or `server.host` in production. * **Bind Localhost:** Ensure the dev server only listens on `127.0.0.1`. * **Firewall:** Bl…

⚡ **Is it urgent? (Priority Suggestion)** * **Priority:** **HIGH** if exposed to the internet. * **Reason:** CVSS C:H (High Confidentiality).…