{"uuid": "fc5aa614-1ff8-4c91-87ed-261b3345dedf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-31807", "type": "seen", "source": "https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/http/squid_range_dos.rb", "content": "{\"actions\": [{\"description\": \"Perform Denial of Service Against The Target\", \"name\": \"DOS\"}], \"aliases\": [], \"arch\": \"\", \"author\": [\"Joshua Rogers\"], \"autofilter_ports\": [80, 8080, 443, 8000, 8888, 8880, 8008, 3000, 8443], \"autofilter_services\": [\"http\", \"https\"], \"check\": false, \"default_credential\": false, \"description\": \"The range handler in The Squid Caching Proxy Server 3.0-4.1.4 and\\n          5.0.1-5.0.5 suffers from multiple vulnerabilities triggered\\n          by specific HTTP requests and responses.\\n\\n          These vulnerabilities allow remote attackers to cause a\\n          denial of service through specifically crafted requests.\", \"disclosure_date\": \"2021-05-27\", \"fullname\": \"auxiliary/dos/http/squid_range_dos\", \"is_install_path\": true, \"mod_time\": \"2026-04-02 17:30:43 +0000\", \"name\": \"Squid Proxy Range Header DoS\", \"needs_cleanup\": false, \"notes\": {\"Reliability\": [], \"SideEffects\": [\"ioc-in-logs\"], \"Stability\": [\"crash-service-down\"]}, \"path\": \"/modules/auxiliary/dos/http/squid_range_dos.rb\", \"platform\": \"\", \"post_auth\": false, \"rank\": 300, \"ref_name\": \"dos/http/squid_range_dos\", \"references\": [\"CVE-2021-31806\", \"CVE-2021-31807\", \"URL-https://blogs.opera.com/security/2021/10/fuzzing-http-proxies-squid-part-2/\"], \"rport\": 3128, \"session_types\": false, \"targets\": null, \"type\": \"auxiliary\"}", "creation_timestamp": "2026-09-08T06:47:01.317768Z"}