{"id":"CVE-2021-40121","aliases":["EUVD-2021-27308","GHSA-x2xf-qg7j-8h8x"],"status":"published","title":"Cisco Identity Services Engine Cross-Site Scripting Vulnerabilities","description":"Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. For more information about these vulnerabilities, see the Details section of this advisory.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00462,"percentile":0.40574,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-10-21T02:50:33Z","modified":"2026-06-17T04:06:33Z","products":[{"vendor":"cisco","product":"cisco identity services engine software"},{"vendor":"cisco","product":"identity_services_engine"}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-xss1-rgxYry2V","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40121"},{"url":"https://github.com/advisories/GHSA-x2xf-qg7j-8h8x"}],"sources":{"cve":[{"id":"CVE-2021-40121","title":"Cisco Identity Services Engine Cross-Site Scripting Vulnerabilities","description":"Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2021-10-21T02:50:33.927Z","modified":"2024-11-07T21:46:53.737Z","cvss":[{"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":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27308","description":"Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2021-10-21T02:50:33Z","modified":"2024-11-07T21:46:53Z","cvss":[{"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"}],"updated_at":"2026-11-03T00:05:07.826667Z"}],"ghsa":[{"id":"GHSA-x2xf-qg7j-8h8x","title":"Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine ...","description":"Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2022-05-24T19:18:30Z","modified":"2023-01-30T05:03:10Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:46.99354Z"}],"nvd":[{"id":"CVE-2021-40121","description":"Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2021-10-21T03:15:07.223Z","modified":"2026-06-17T04:06:33.677Z","cvss":[{"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":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:00.137719Z"}]}}