{"id":"CVE-2026-20300","title":"A vulnerability in Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected device","summary":"A vulnerability in Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected device. To exploit this vulnerability, the attacker must have at least low-privileged administrative credentials.\r…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","cwe":["CWE-89"],"vendor":"Cisco","product":"Cisco Identity Services Engine Software","affected":["identity_services_engine_software 3.1.0","identity_services_engine_software 3.1.0 p1","identity_services_engine_software 3.1.0 p3","identity_services_engine_software 3.1.0 p2","identity_services_engine_software 3.2.0","identity_services_engine_software 3.1.0 p4","identity_services_engine_software 3.1.0 p5","identity_services_engine_software 3.2.0 p1","identity_services_engine_software 3.1.0 p6","identity_services_engine_software 3.2.0 p2","identity_services_engine_software 3.1.0 p7","identity_services_engine_software 3.3.0","identity_services_engine_software 3.2.0 p3","identity_services_engine_software 3.2.0 p4","identity_services_engine_software 3.1.0 p8","identity_services_engine_software 3.2.0 p5","identity_services_engine_software 3.2.0 p6","identity_services_engine_software 3.1.0 p9","identity_services_engine_software 3.3 Patch 2","identity_services_engine_software 3.3 Patch 1","identity_services_engine_software 3.3 Patch 3","identity_services_engine_software 3.4.0","identity_services_engine_software 3.2.0 p7","identity_services_engine_software 3.3 Patch 4","identity_services_engine_software 3.4 Patch 1","identity_services_engine_software 3.1.0 p10","identity_services_engine_software 3.3 Patch 5","identity_services_engine_software 3.3 Patch 6","identity_services_engine_software 3.4 Patch 2","identity_services_engine_software 3.3 Patch 7","identity_services_engine_software 3.4 Patch 3","identity_services_engine_software 3.5.0","identity_services_engine_software 3.4 Patch 4","identity_services_engine_software 3.3 Patch 8","identity_services_engine_software 3.2 Patch 8","identity_services_engine_software 3.5 Patch 1","identity_services_engine_software 3.3 Patch 9","identity_services_engine_software 3.2 Patch 9","identity_services_engine_software 3.4 Patch 5","identity_services_engine_software 3.5 Patch 3","identity_services_engine_software 3.5 Patch 2","identity_services_engine_software 3.3 Patch 10","identity_services_engine_software 3.3 Patch 11","identity_services_engine_software 3.4 Patch 6","identity_services_engine_software 3.2 Patch 10","identity_services_engine_software 3.1.0 p72","identity_services_engine_software 3.1.0 p11"],"published":"2026-09-16","updated":"2026-09-18","sourceUpdated":"2026-09-18T15:17:07.307","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-20300","references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-sql-inj-3QTKR947","label":"psirt@cisco.com"},{"url":"https://software.cisco.com"}],"tags":["nvd","cve.org","csaf","vendor-advisory","cisco"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-18T14:36:29.091647Z"},"epss":0.00292,"epssPercentile":0.19316,"ingestedAt":"2026-09-16T16:37:52.183Z","slug":"CVE-2026-20300","body":"## Overview\n\nA vulnerability in Cisco ISE could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected device. To exploit this vulnerability, the attacker must have at least low-privileged administrative credentials.\r\n\r\nThis vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to read or modify data in the underlying database.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **cisco-sa-ise-sql-inj-3QTKR947** · Cisco · affected: Cisco Identity Services Engine Software (46 versions) · updated 2026-09-16 · [advisory](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-sql-inj-3QTKR947)","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}