{"id":"CVE-2019-1943","aliases":["EUVD-2019-10500","GHSA-c4p7-9fgh-g95m"],"status":"published","title":"Cisco Small Business Series Switches Open Redirect Vulnerability","description":"A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Switches software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by intercepting a user's HTTP request and modifying it into a request that causes the web interface to redirect the user to a specific malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.","severity":{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.09687,"percentile":0.95538,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-601"],"published":"2019-07-17T20:30:16Z","modified":"2026-06-17T02:29:39Z","exploits":[{"source":"exploitdb","id":"EDB-47118","title":"CISCO Small Business 200 / 300 / 500 Switches - Multiple Vulnerabilities","type":"webapps","platform":"hardware","date":"2019-07-15","url":"https://www.exploit-db.com/exploits/47118"},{"source":"nuclei","id":"CVE-2019-1943","title":"Cisco Small Business 200,300 and 500 Series Switches - Open Redirect","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-1943.yaml"}],"products":[{"vendor":"cisco","product":"cisco small business 300 series managed switches"},{"vendor":"cisco","product":"sf200-24_firmware"},{"vendor":"cisco","product":"sf200-24fp_firmware"},{"vendor":"cisco","product":"sf200-24p_firmware"},{"vendor":"cisco","product":"sf200-48_firmware"},{"vendor":"cisco","product":"sf200-48p_firmware"},{"vendor":"cisco","product":"sf300-08_firmware"},{"vendor":"cisco","product":"sf300-24_firmware"},{"vendor":"cisco","product":"sf300-24mp_firmware"},{"vendor":"cisco","product":"sf300-24p_firmware"},{"vendor":"cisco","product":"sf300-24pp_firmware"},{"vendor":"cisco","product":"sf300-48_firmware"},{"vendor":"cisco","product":"sf300-48p_firmware"},{"vendor":"cisco","product":"sf300-48pp_firmware"},{"vendor":"cisco","product":"sf302-08_firmware"},{"vendor":"cisco","product":"sf302-08mp_firmware"},{"vendor":"cisco","product":"sf302-08mpp_firmware"},{"vendor":"cisco","product":"sf302-08p_firmware"},{"vendor":"cisco","product":"sf302-08pp_firmware"},{"vendor":"cisco","product":"sf500-24_firmware"},{"vendor":"cisco","product":"sf500-24p_firmware"},{"vendor":"cisco","product":"sf500-48_firmware"},{"vendor":"cisco","product":"sf500-48p_firmware"},{"vendor":"cisco","product":"sg200-08_firmware"},{"vendor":"cisco","product":"sg200-08p_firmware"},{"vendor":"cisco","product":"sg200-10fp_firmware"},{"vendor":"cisco","product":"sg200-18_firmware"},{"vendor":"cisco","product":"sg200-26_firmware"},{"vendor":"cisco","product":"sg200-26fp_firmware"},{"vendor":"cisco","product":"sg200-26p_firmware"},{"vendor":"cisco","product":"sg200-50_firmware"},{"vendor":"cisco","product":"sg200-50fp_firmware"},{"vendor":"cisco","product":"sg200-50p_firmware"},{"vendor":"cisco","product":"sg300-10_firmware"},{"vendor":"cisco","product":"sg300-10mp_firmware"},{"vendor":"cisco","product":"sg300-10mpp_firmware"},{"vendor":"cisco","product":"sg300-10p_firmware"},{"vendor":"cisco","product":"sg300-10pp_firmware"},{"vendor":"cisco","product":"sg300-10sfp_firmware"},{"vendor":"cisco","product":"sg300-20_firmware"},{"vendor":"cisco","product":"sg300-28_firmware"},{"vendor":"cisco","product":"sg300-28mp_firmware"},{"vendor":"cisco","product":"sg300-28p_firmware"},{"vendor":"cisco","product":"sg300-28pp_firmware"},{"vendor":"cisco","product":"sg300-52_firmware"},{"vendor":"cisco","product":"sg300-52mp_firmware"},{"vendor":"cisco","product":"sg300-52p_firmware"},{"vendor":"cisco","product":"sg500-28_firmware"},{"vendor":"cisco","product":"sg500-28mpp_firmware"},{"vendor":"cisco","product":"sg500-28p_firmware"},{"vendor":"cisco","product":"sg500-52_firmware"},{"vendor":"cisco","product":"sg500-52mp_firmware"},{"vendor":"cisco","product":"sg500-52p_firmware"},{"vendor":"cisco","product":"sg500x-24_firmware"},{"vendor":"cisco","product":"sg500x-24p_firmware"},{"vendor":"cisco","product":"sg500x-48_firmware"},{"vendor":"cisco","product":"sg500x-48p_firmware"},{"vendor":"cisco","product":"sg500xg-8f8t_firmware"}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190717-sbss-redirect","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/109288","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1943"},{"url":"https://github.com/advisories/GHSA-c4p7-9fgh-g95m"}],"sources":{"cve":[{"id":"CVE-2019-1943","title":"Cisco Small Business Series Switches Open Redirect Vulnerability","description":"A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Switches software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by intercepting a user's HTTP request and modifying it into a request that causes the web interface to redirect the user to a specific malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.","status":"published","published":"2019-07-17T20:30:16.4Z","modified":"2024-11-21T19:18:29.649Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:20:25.661187Z"}],"euvd":[{"id":"EUVD-2019-10500","description":"A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Switches software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by intercepting a user's HTTP request and modifying it into a request that causes the web interface to redirect the user to a specific malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.","status":"published","published":"2019-07-17T20:30:16Z","modified":"2024-11-21T19:18:29Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:52.116962Z"}],"ghsa":[{"id":"GHSA-c4p7-9fgh-g95m","title":"A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Switches...","description":"A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Switches software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by intercepting a user's HTTP request and modifying it into a request that causes the web interface to redirect the user to a specific malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.","status":"published","published":"2022-05-24T16:50:35Z","modified":"2024-04-04T01:18:03Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:55:57.302483Z"}],"nvd":[{"id":"CVE-2019-1943","description":"A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Switches software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by intercepting a user's HTTP request and modifying it into a request that causes the web interface to redirect the user to a specific malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.","status":"published","published":"2019-07-17T21:15:12.453Z","modified":"2026-06-17T02:29:39.587Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:05:20.616405Z"}]}}