{"id":"CVE-2026-20285","aliases":["EUVD-2026-81164","GHSA-v6ff-rccc-xfhv"],"status":"published","title":"Cisco Identity Services Engine Authorization Bypass Vulnerability","description":"A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device.\r\n\r\nThis vulnerability is due to the lack of server-side validation of\u0026nbsp;Administrator\u0026nbsp;permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid\u0026nbsp;Administrator credentials.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00474,"percentile":0.41466,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-285"],"published":"2026-09-16T20:24:35Z","modified":"2026-11-10T22:43:09Z","products":[{"vendor":"cisco","product":"cisco identity services engine software"},{"vendor":"cisco","product":"cisco ise passive identity connector"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-auth-bypass-1-MxcTNgwx"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20285"},{"url":"https://github.com/advisories/GHSA-v6ff-rccc-xfhv"}],"sources":{"cve":[{"id":"CVE-2026-20285","title":"Cisco Identity Services Engine Authorization Bypass Vulnerability","description":"A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device.\r\n\r\nThis vulnerability is due to the lack of server-side validation of\u0026nbsp;Administrator\u0026nbsp;permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid\u0026nbsp;Administrator credentials.","status":"published","published":"2026-09-16T20:24:35.392Z","modified":"2026-11-10T22:43:09.126Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-285"],"updated_at":"2026-11-10T23:49:28.582338Z"}],"euvd":[{"id":"EUVD-2026-81164","description":"A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device.\r\n\r\nThis vulnerability is due to the lack of server-side validation of\u0026nbsp;Administrator\u0026nbsp;permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid\u0026nbsp;Administrator credentials.","status":"published","published":"2026-09-16T20:24:35Z","modified":"2026-11-10T22:43:09Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-11T00:24:46.475072Z"}],"ghsa":[{"id":"GHSA-v6ff-rccc-xfhv","title":"A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) and...","description":"A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device.\n\nThis vulnerability is due to the lack of server-side validation of\u0026nbsp;Administrator\u0026nbsp;permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid\u0026nbsp;Administrator credentials.","status":"published","published":"2026-09-16T21:32:49Z","modified":"2026-09-16T21:32:55Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T15:12:02.762055Z"}],"nvd":[{"id":"CVE-2026-20285","description":"A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device.\r\n\r\nThis vulnerability is due to the lack of server-side validation of\u0026nbsp;Administrator\u0026nbsp;permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid\u0026nbsp;Administrator credentials.","status":"published","published":"2026-09-16T21:17:09.217Z","modified":"2026-11-10T23:17:21.173Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-285"],"updated_at":"2026-11-11T02:22:16.88059Z"}]}}