{"uuid": "06bc67a0-e97a-4c4b-8818-322c40adc295", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-1473", "type": "seen", "source": "https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/cisco_rv_series_authbypass_and_rce.rb", "content": "{\"aliases\": [], \"arch\": \"cmd, armle\", \"author\": [\"Takeshi Shiomitsu\", \"jbaines-r7\"], \"autofilter_ports\": [80, 8080, 443, 8000, 8888, 8880, 8008, 3000, 8443], \"autofilter_services\": [\"http\", \"https\"], \"check\": true, \"default_credential\": false, \"description\": \"This module exploits an authentication bypass (CVE-2021-1472) and command injection (CVE-2021-1473)\\n          in the Cisco Small Business RV series of VPN/routers. The device does not adequately verify the\\n          credentials in the HTTP Authorization field when requests are made to the /upload endpoint. Then\\n          the upload.cgi binary will use the contents of the HTTP Cookie field as part of a `curl` request\\n          aimed at an internal endpoint. The curl request is executed using `popen` and allows the attacker\\n          to inject commands via the Cookie field.\\n\\n          A remote and unauthenticated attacker using this module is able to achieve code execution as `www-data`.\\n\\n          This module affects the RV340, RV340w, RV345, and RV345P using firmware versions 1.0.03.20 and below.\", \"disclosure_date\": \"2021-04-07\", \"fullname\": \"exploit/linux/http/cisco_rv_series_authbypass_and_rce\", \"is_install_path\": true, \"mod_time\": \"2025-12-17 16:12:31 +0000\", \"name\": \"Cisco Small Business RV Series Authentication Bypass and Command Injection\", \"needs_cleanup\": true, \"notes\": {\"Reliability\": [\"repeatable-session\"], \"SideEffects\": [\"ioc-in-logs\", \"artifacts-on-disk\"], \"Stability\": [\"crash-safe\"]}, \"path\": \"/modules/exploits/linux/http/cisco_rv_series_authbypass_and_rce.rb\", \"platform\": \"Linux,Unix\", \"post_auth\": false, \"rank\": 600, \"ref_name\": \"linux/http/cisco_rv_series_authbypass_and_rce\", \"references\": [\"CVE-2021-1472\", \"CVE-2021-1473\", \"URL-https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-bypass-inject-Rbhgvfdx\", \"URL-https://seclists.org/fulldisclosure/2021/Apr/39\", \"URL-https://www.iot-inspector.com/blog/advisory-cisco-rv34x-authentication-bypass-remote-command-execution/\"], \"rport\": 443, \"session_types\": false, \"targets\": [\"Unix Command\", \"Linux Dropper\"], \"type\": \"exploit\"}", "creation_timestamp": "2026-09-08T06:48:27.775844Z"}