CVE-2026-20108

{"id": "CVE-2026-20108", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20108", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-27T15:00:20.527145Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@cisco.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}]}, "affected": [{"source": "psirt@cisco.com", "affectedData": [{"vendor": "Cisco", "product": "Cisco Catalyst SD-WAN Manager", "versions": [{"status": "affected", "version": "20.12.1"}, {"status": "affected", "version": "20.12.1_LI_Images"}, {"status": "affected", "version": "20.12.2"}, {"status": "affected", "version": "20.12.3"}, {"status": "affected", "version": "20.12.3.1"}, {"status": "affected", "version": "20.12.4"}, {"status": "affected", "version": "20.12.4.1"}, {"status": "affected", "version": "20.12.5"}, {"status": "affected", "version": "20.12.5.1"}, {"status": "affected", "version": "20.12.5.2"}, {"status": "affected", "version": "20.12.6"}, {"status": "affected", "version": "20.12.6.1"}, {"status": "affected", "version": "20.12.5.3"}, {"status": "affected", "version": "20.13.1"}, {"status": "affected", "version": "20.14.1"}, {"status": "affected", "version": "20.15.1"}, {"status": "affected", "version": "20.15.2"}, {"status": "affected", "version": "20.15.3"}, {"status": "affected", "version": "20.15.3.1"}, {"status": "affected", "version": "20.15.4"}, {"status": "affected", "version": "20.15.4.1"}, {"status": "affected", "version": "20.15.4.2"}, {"status": "affected", "version": "20.16.1"}, {"status": "affected", "version": "20.18.1"}]}]}], "published": "2026-03-25T16:16:14.420", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanage-xss-ZqkhP9W9", "tags": ["Vendor Advisory"], "source": "psirt@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@cisco.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device.\r\n\r This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of the web-based management interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information."}, {"lang": "es", "value": "Una vulnerabilidad en la interfaz de gesti\u00f3n basada en web de Cisco Catalyst SD-WAN Manager podr\u00eda permitir a un atacante remoto autenticado realizar un ataque de cross-site scripting (XSS) contra un usuario de la interfaz de un dispositivo afectado. Esta vulnerabilidad se debe a una validaci\u00f3n insuficiente de la entrada del usuario. Un atacante podr\u00eda explotar esta vulnerabilidad persuadiendo a un usuario de la interfaz de gesti\u00f3n basada en web para que haga clic en un enlace manipulado. Un exploit exitoso podr\u00eda permitir al atacante ejecutar c\u00f3digo de script arbitrario en el contexto de la interfaz afectada o acceder a informaci\u00f3n sensible basada en el navegador."}], "lastModified": "2026-06-29T18:10:12.117", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B011A1EA-A501-4CC0-AFC9-2181ACC81AFE", "versionEndExcluding": "20.12.5.3", "versionStartIncluding": "20.12"}, {"criteria": "cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D284EA84-6C27-4A9C-BDA2-D1C5BF1F2356", "versionEndExcluding": "20.15.4.2", "versionStartIncluding": "20.13"}, {"criteria": "cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B94E1DC2-5DA5-4238-8040-6D524DDEAA4F", "versionEndExcluding": "20.18.2.1", "versionStartIncluding": "20.16"}, {"criteria": "cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F5B6E170-73B8-4838-93B4-AD258F3BCA7C"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@cisco.com"}