CVE-2026-20151

{"id": "CVE-2026-20151", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20151", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-01T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.1}]}, "affected": [{"source": "psirt@cisco.com", "affectedData": [{"vendor": "Cisco", "product": "Cisco Smart Software Manager On-Prem", "versions": [{"status": "affected", "version": "7-202001"}, {"status": "affected", "version": "8-202004"}, {"status": "affected", "version": "8-202006"}, {"status": "affected", "version": "8-202012"}, {"status": "affected", "version": "8-202010"}, {"status": "affected", "version": "8-202008"}, {"status": "affected", "version": "9-202201"}, {"status": "affected", "version": "8-202102"}, {"status": "affected", "version": "8-202105"}, {"status": "affected", "version": "8-202108"}, {"status": "affected", "version": "8-202112"}, {"status": "affected", "version": "8-202201"}, {"status": "affected", "version": "8-202206"}, {"status": "affected", "version": "8-202212"}, {"status": "affected", "version": "8-202302"}, {"status": "affected", "version": "8-202303"}, {"status": "affected", "version": "8-202304"}, {"status": "affected", "version": "8-202308"}, {"status": "affected", "version": "8-202401"}, {"status": "affected", "version": "8-202404"}, {"status": "affected", "version": "9-202406"}, {"status": "affected", "version": "9-202407"}, {"status": "affected", "version": "9-202410"}, {"status": "affected", "version": "9-202412"}, {"status": "affected", "version": "9-202501"}, {"status": "affected", "version": "9-202502"}, {"status": "affected", "version": "9-202504"}, {"status": "affected", "version": "9-202507"}, {"status": "affected", "version": "9-202510"}], "defaultStatus": "unknown"}]}], "published": "2026-04-01T17:28:31.097", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cssm-priv-esc-xRAnOuO8", "tags": ["Vendor Advisory"], "source": "psirt@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@cisco.com", "description": [{"lang": "en", "value": "CWE-201"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the web interface of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges on an affected system.\r\n\r\nThis vulnerability is due to the improper transmission of sensitive user information. An attacker could exploit this vulnerability by sending a crafted message to an affected Cisco SSM On-Prem host and retrieving session credentials from subsequent status messages. A successful exploit could allow the attacker to elevate privileges on the affected system from low to administrative.\r\nTo exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of System User.\r\nNote: This vulnerability exposes information only about users who logged in to the Cisco SSM On-Prem host using the web interface and who are currently logged in. SSH sessions are not affected."}, {"lang": "es", "value": "Una vulnerabilidad en la interfaz web de Cisco Smart Software Manager On-Prem (SSM On-Prem) podr\u00eda permitir a un atacante remoto y autenticado elevar privilegios en un sistema afectado.\n\nEsta vulnerabilidad se debe a la transmisi\u00f3n indebida de informaci\u00f3n sensible del usuario. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un mensaje manipulado a un host de Cisco SSM On-Prem afectado y recuperando credenciales de sesi\u00f3n de mensajes de estado posteriores. Un exploit exitoso podr\u00eda permitir al atacante elevar privilegios en el sistema afectado de bajo a administrativo.\nPara explotar esta vulnerabilidad, el atacante debe tener credenciales v\u00e1lidas para una cuenta de usuario con al menos el rol de Usuario del Sistema.\nNota: Esta vulnerabilidad expone informaci\u00f3n solo sobre usuarios que iniciaron sesi\u00f3n en el host de Cisco SSM On-Prem usando la interfaz web y que est\u00e1n actualmente conectados. Las sesiones SSH no se ven afectadas."}], "lastModified": "2026-10-26T22:10:00.163", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:smart_software_manager_on-prem:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D2F0EA7E-9F9D-4A2A-B64D-8335F4A169E3", "versionEndExcluding": "9-202601"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@cisco.com"}