CVE-2026-20029

{"id": "CVE-2026-20029", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20029", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-07T16:40:33.564050Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.2}]}, "affected": [{"source": "psirt@cisco.com", "affectedData": [{"vendor": "Cisco", "product": "Cisco Identity Services Engine Software", "versions": [{"status": "affected", "version": "3.1.0"}, {"status": "affected", "version": "3.1.0 p1"}, {"status": "affected", "version": "3.1.0 p3"}, {"status": "affected", "version": "3.1.0 p2"}, {"status": "affected", "version": "3.2.0"}, {"status": "affected", "version": "3.1.0 p4"}, {"status": "affected", "version": "3.1.0 p5"}, {"status": "affected", "version": "3.2.0 p1"}, {"status": "affected", "version": "3.1.0 p6"}, {"status": "affected", "version": "3.2.0 p2"}, {"status": "affected", "version": "3.1.0 p7"}, {"status": "affected", "version": "3.3.0"}, {"status": "affected", "version": "3.2.0 p3"}, {"status": "affected", "version": "3.2.0 p4"}, {"status": "affected", "version": "3.1.0 p8"}, {"status": "affected", "version": "3.2.0 p5"}, {"status": "affected", "version": "3.2.0 p6"}, {"status": "affected", "version": "3.1.0 p9"}, {"status": "affected", "version": "3.3 Patch 2"}, {"status": "affected", "version": "3.3 Patch 1"}, {"status": "affected", "version": "3.3 Patch 3"}, {"status": "affected", "version": "3.4.0"}, {"status": "affected", "version": "3.2.0 p7"}, {"status": "affected", "version": "3.3 Patch 4"}, {"status": "affected", "version": "3.4 Patch 1"}, {"status": "affected", "version": "3.1.0 p10"}, {"status": "affected", "version": "3.3 Patch 5"}, {"status": "affected", "version": "3.3 Patch 6"}, {"status": "affected", "version": "3.4 Patch 2"}, {"status": "affected", "version": "3.3 Patch 7"}, {"status": "affected", "version": "3.4 Patch 3"}], "defaultStatus": "unknown"}]}], "published": "2026-01-07T17:16:03.067", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-xxe-jWSbSDKt", "source": "psirt@cisco.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "psirt@cisco.com", "description": [{"lang": "en", "value": "CWE-611"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the licensing features of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker with administrative privileges to gain access to sensitive information. \r\n\r\nThis vulnerability is due to improper parsing of XML that is processed by the web-based management interface of Cisco ISE and Cisco ISE-PIC. An attacker could exploit this vulnerability by uploading a malicious file to the application. A successful exploit could allow the attacker to read arbitrary files from the underlying operating system that could include sensitive data that should otherwise be inaccessible even to administrators. To exploit this vulnerability, the attacker must have valid administrative credentials."}, {"lang": "es", "value": "Una vulnerabilidad en las caracter\u00edsticas de licenciamiento de Cisco Identity Services Engine (ISE) y Cisco ISE Passive Identity Connector (ISE-PIC) podr\u00eda permitir a un atacante remoto autenticado con privilegios administrativos obtener acceso a informaci\u00f3n sensible.\n\nEsta vulnerabilidad se debe a un an\u00e1lisis incorrecto de XML que es procesado por la interfaz de gesti\u00f3n basada en web de Cisco ISE y Cisco ISE-PIC. Un atacante podr\u00eda explotar esta vulnerabilidad al cargar un archivo malicioso en la aplicaci\u00f3n. Un exploit exitoso podr\u00eda permitir al atacante leer archivos arbitrarios del sistema operativo subyacente que podr\u00edan incluir datos sensibles que de otro modo deber\u00edan ser inaccesibles incluso para los administradores. Para explotar esta vulnerabilidad, el atacante debe tener credenciales administrativas v\u00e1lidas."}], "lastModified": "2026-10-26T22:10:00.163", "sourceIdentifier": "psirt@cisco.com"}