{"uuid": "9350918a-71fe-4d88-a3bc-2ca0e1c4311f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2020-0688", "type": "seen", "source": "https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/exchange_ecp_viewstate.rb", "content": "{\"aliases\": [], \"arch\": \"x86, x64, cmd\", \"author\": [\"Spencer McIntyre\"], \"autofilter_ports\": [80, 8080, 443, 8000, 8888, 8880, 8008, 3000, 8443], \"autofilter_services\": [\"http\", \"https\"], \"check\": true, \"default_credential\": false, \"description\": \"This module exploits a .NET serialization vulnerability in the\\n          Exchange Control Panel (ECP) web page. The vulnerability is due to\\n          Microsoft Exchange Server not randomizing the keys on a\\n          per-installation basis resulting in them using the same validationKey\\n          and decryptionKey values. With knowledge of these values, an attacker\\n          can craft a special ViewState to cause an OS command to be executed\\n          by NT_AUTHORITY\\\\SYSTEM using .NET deserialization.\", \"disclosure_date\": \"2020-02-11\", \"fullname\": \"exploit/windows/http/exchange_ecp_viewstate\", \"is_install_path\": true, \"mod_time\": \"2026-04-22 11:58:31 +0000\", \"name\": \"Exchange Control Panel ViewState Deserialization\", \"needs_cleanup\": null, \"notes\": {\"Reliability\": [\"repeatable-session\"], \"SideEffects\": [\"artifacts-on-disk\", \"ioc-in-logs\"], \"Stability\": [\"crash-safe\"]}, \"path\": \"/modules/exploits/windows/http/exchange_ecp_viewstate.rb\", \"platform\": \"Windows\", \"post_auth\": true, \"rank\": 600, \"ref_name\": \"windows/http/exchange_ecp_viewstate\", \"references\": [\"CVE-2020-0688\", \"URL-https://www.thezdi.com/blog/2020/2/24/cve-2020-0688-remote-code-execution-on-microsoft-exchange-server-through-fixed-cryptographic-keys\"], \"rport\": 443, \"session_types\": false, \"targets\": [\"Windows (x86)\", \"Windows (x64)\", \"Windows (cmd)\"], \"type\": \"exploit\"}", "creation_timestamp": "2026-09-08T06:51:47.026654Z"}