CVE-2020-37071 — AI Deep Analysis Summary

🚨 **Essence**: CraftCMS 3 vCard Plugin 1.0.0 suffers from a **Deserialization Vulnerability**. 💥 **Consequences**: Attackers can execute **Arbitrary PHP Code** on the server.…

🛡️ **Root Cause**: **CWE-502** (Deserialization of Untrusted Data). The plugin fails to properly validate or sanitize data before processing it via PHP's `unserialize()`, allowing malicious payloads to be injected.

📦 **Affected**: **CraftCMS 3** users running the **vCard Plugin version 1.0.0**. Developed by Nathaniel Hammond. Only this specific version is flagged as vulnerable in the advisory.

🔓 **Attacker Capabilities**: Full **Remote Code Execution (RCE)**. Hackers gain the ability to run arbitrary PHP commands.…

⚡ **Exploitation Threshold**: **LOW**. The CVSS vector shows **AV:N** (Network), **AC:L** (Low Complexity), **PR:N** (No Privileges Required), and **UI:N** (No User Interaction).…

💣 **Public Exploit**: **YES**. Exploit code is available on **ExploitDB (ID: 48492)** and disclosed by researchers on **GitLab**. Wild exploitation is highly likely given the low barrier to entry.

🔍 **Self-Check**: Scan your CraftCMS installation for the **vCard Plugin**. Check if the installed version is exactly **1.0.0**.…

🩹 **Official Fix**: The vendor is **CraftCMS**. The advisory links to the official plugin page. You must update the vCard Plugin to a patched version (post-1.0.0) or disable it immediately.…

🚧 **Workaround**: If no patch is available immediately, **disable or uninstall** the vCard Plugin entirely.…

🔥 **Urgency**: **CRITICAL**. With **CVSS 9.0+** (implied by H/I/H ratings), **No Auth** required, and **Public Exploits** available, this requires **immediate remediation**.…