{"id":"CVE-2021-1397","aliases":["EUVD-2021-6864","GHSA-rwcp-hmqx-m9f3"],"status":"published","title":"Cisco Integrated Management Controller Open Redirect Vulnerability","description":"A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of the parameters in an HTTP request. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to redirect a user to a malicious website. This vulnerability is known as an open redirect attack, which is used in phishing attacks to get users to visit malicious sites without their knowledge.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00831,"percentile":0.57837,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2021-05-06T12:42:43Z","modified":"2026-06-17T03:31:40Z","products":[{"vendor":"cisco","product":"c125_m5_firmware"},{"vendor":"cisco","product":"c220_m5_firmware"},{"vendor":"cisco","product":"c220_m6_firmware"},{"vendor":"cisco","product":"c225_m6_firmware"},{"vendor":"cisco","product":"c240_m5_firmware"},{"vendor":"cisco","product":"c240_m6_firmware"},{"vendor":"cisco","product":"c245_m6_firmware"},{"vendor":"cisco","product":"c480_m5_firmware"},{"vendor":"cisco","product":"c480_ml_m5_firmware"},{"vendor":"cisco","product":"cisco unified computing system (standalone)"},{"vendor":"cisco","product":"encs_5100_firmware"},{"vendor":"cisco","product":"encs_5400_firmware"},{"vendor":"cisco","product":"integrated_management_controller"},{"vendor":"cisco","product":"ucs-e1120d-m3_firmware"},{"vendor":"cisco","product":"ucs-e140d_firmware"},{"vendor":"cisco","product":"ucs-e140dp_firmware"},{"vendor":"cisco","product":"ucs-e140s-m1_firmware"},{"vendor":"cisco","product":"ucs-e140s-m2_firmware"},{"vendor":"cisco","product":"ucs-e140s_firmware"},{"vendor":"cisco","product":"ucs-e160d_firmware"},{"vendor":"cisco","product":"ucs-e160dp-m1_firmware"},{"vendor":"cisco","product":"ucs-e160s-m3_firmware"},{"vendor":"cisco","product":"ucs-e180d-m2_firmware"},{"vendor":"cisco","product":"ucs-e180d-m3_firmware"},{"vendor":"cisco","product":"ucs_manager"},{"vendor":"cisco","product":"ucs_s3260_firmware"}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-imc-openred-zAYrU6d2","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1397"},{"url":"https://github.com/advisories/GHSA-rwcp-hmqx-m9f3"}],"sources":{"cve":[{"id":"CVE-2021-1397","title":"Cisco Integrated Management Controller Open Redirect Vulnerability","description":"A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of the parameters in an HTTP request. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to redirect a user to a malicious website. This vulnerability is known as an open redirect attack, which is used in phishing attacks to get users to visit malicious sites without their knowledge.","status":"published","published":"2021-05-06T12:42:43.586Z","modified":"2024-11-08T23:17:54.152Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:33:08.409321Z"}],"euvd":[{"id":"EUVD-2021-6864","description":"A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of the parameters in an HTTP request. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to redirect a user to a malicious website. This vulnerability is known as an open redirect attack, which is used in phishing attacks to get users to visit malicious sites without their knowledge.","status":"published","published":"2021-05-06T12:42:43Z","modified":"2024-11-08T23:17:54Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:05:05.926487Z"}],"ghsa":[{"id":"GHSA-rwcp-hmqx-m9f3","title":"A vulnerability in the web-based management interface of Cisco Integrated Management Controller ...","description":"A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of the parameters in an HTTP request. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to redirect a user to a malicious website. This vulnerability is known as an open redirect attack, which is used in phishing attacks to get users to visit malicious sites without their knowledge.","status":"published","published":"2022-05-24T19:01:37Z","modified":"2023-01-29T05:07:32Z","cwes":["CWE-601"],"updated_at":"2026-11-02T14:46:10.663769Z"}],"nvd":[{"id":"CVE-2021-1397","description":"A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of the parameters in an HTTP request. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to redirect a user to a malicious website. This vulnerability is known as an open redirect attack, which is used in phishing attacks to get users to visit malicious sites without their knowledge.","status":"published","published":"2021-05-06T13:15:09.95Z","modified":"2026-06-17T03:31:40.78Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/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":"2026-11-02T14:06:52.81233Z"}]}}