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Q1What is this vulnerability? (Essence + Consequences)
🚨 **Essence**: Budibase PWA ZIP endpoint has a **Path Traversal** flaw. 💥 **Consequences**: Authenticated users can read **arbitrary server files**, leading to **full platform compromise**.
Q2Root Cause? (CWE/Flaw)
🛡️ **Root Cause**: **CWE-22** (Path Traversal). The flaw lies in how the **PWA ZIP processing endpoint** handles file paths, allowing directory traversal sequences.
Q3Who is affected? (Versions/Components)
📦 **Affected**: **Budibase** (Low-code platform). Versions **3.31.5 and earlier** are vulnerable. Vendor: Budibase (UK).
Q4What can hackers do? (Privileges/Data)
🕵️ **Hacker Capabilities**: Read **any file** on the server. 💀 **Impact**: Complete platform takeover. Data exfiltration is guaranteed.
Q5Is exploitation threshold high? (Auth/Config)
🔑 **Threshold**: **Medium**. Requires **Authentication** (PR:L). No user interaction needed (UI:N). Network accessible (AV:N).
Q6Is there a public Exp? (PoC/Wild Exploitation)
📜 **Exploit Status**: No public PoC listed in data. However, the advisory is confirmed. Likely exploitable given the simple nature of CWE-22.
Q7How to self-check? (Features/Scanning)
🔍 **Self-Check**: Scan for **Budibase** instances running version **≤3.31.5**. Check for PWA ZIP endpoints in the attack surface.
Q8Is it fixed officially? (Patch/Mitigation)
🩹 **Fix**: Update to a version **newer than 3.31.5**. Refer to the GitHub Security Advisory for the official patch details.
Q9What if no patch? (Workaround)
🚧 **No Patch?**: Restrict network access to the PWA ZIP endpoint. Enforce strict **WAF rules** to block `../` sequences in ZIP requests.
Q10Is it urgent? (Priority Suggestion)
⚡ **Urgency**: **HIGH**. CVSS **8.6** (High). Full system compromise risk. Patch immediately if running vulnerable versions.