CVE-2025-20206

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-20206", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2024-10-10T19:15:13.230Z", "datePublished": "2025-03-05T16:14:00.258Z", "dateUpdated": "2026-02-26T19:09:45.472Z"}, "containers": {"cna": {"title": "Cisco Secure Client for Windows with VPN Posture (HostScan) Module DLL Hijacking Vulnerability", "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}}], "descriptions": [{"lang": "en", "value": "A vulnerability in the interprocess communication (IPC) channel of Cisco Secure Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack on an affected device if the Secure Firewall Posture Engine, formerly HostScan, is installed on Cisco Secure Client.\r\n\r\nThis vulnerability is due to insufficient validation of resources that are loaded by the application at run time. An attacker could exploit this vulnerability by sending a crafted IPC message to a specific Cisco Secure Client process. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker must have valid user credentials on the Windows system."}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-dll-injection-AOyzEqSg", "name": "cisco-sa-secure-dll-injection-AOyzEqSg"}], "exploits": [{"lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "source": {"advisory": "cisco-sa-secure-dll-injection-AOyzEqSg", "discovery": "EXTERNAL", "defects": ["CSCwn03265"]}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Verification of Cryptographic Signature", "type": "cwe", "cweId": "CWE-347"}]}], "affected": [{"vendor": "Cisco", "product": "Cisco Secure Client", "versions": [{"version": "4.9.00086", "status": "affected"}, {"version": "4.9.01095", "status": "affected"}, {"version": "4.9.02028", "status": "affected"}, {"version": "4.9.03047", "status": "affected"}, {"version": "4.9.03049", "status": "affected"}, {"version": "4.9.04043", "status": "affected"}, {"version": "4.9.04053", "status": "affected"}, {"version": "4.9.05042", "status": "affected"}, {"version": "4.9.06037", "status": "affected"}, {"version": "4.10.00093", "status": "affected"}, {"version": "4.10.01075", "status": "affected"}, {"version": "4.10.02086", "status": "affected"}, {"version": "4.10.03104", "status": "affected"}, {"version": "4.10.04065", "status": "affected"}, {"version": "4.10.04071", "status": "affected"}, {"version": "4.10.05085", "status": "affected"}, {"version": "4.10.05095", "status": "affected"}, {"version": "5.0.00238", "status": "affected"}, {"version": "4.10.05111", "status": "affected"}, {"version": "5.0.00529", "status": "affected"}, {"version": "5.0.00556", "status": "affected"}, {"version": "4.10.06079", "status": "affected"}, {"version": "5.0.01242", "status": "affected"}, {"version": "4.10.06090", "status": "affected"}, {"version": "5.0.02075", "status": "affected"}, {"version": "4.10.07061", "status": "affected"}, {"version": "5.0.03072", "status": "affected"}, {"version": "4.10.07062", "status": "affected"}, {"version": "5.0.03076", "status": "affected"}, {"version": "5.0.04032", "status": "affected"}, {"version": "4.10.07073", "status": "affected"}, {"version": "5.0.05040", "status": "affected"}, {"version": "5.1.0.136", "status": "affected"}, {"version": "5.1.1.42", "status": "affected"}, {"version": "4.10.08025", "status": "affected"}, {"version": "5.1.2.42", "status": "affected"}, {"version": "4.10.08029", "status": "affected"}, {"version": "5.1.3.62", "status": "affected"}, {"version": "5.1.4.74", "status": "affected"}, {"version": "5.1.5.65", "status": "affected"}, {"version": "5.1.6.103", "status": "affected"}, {"version": "5.1.7.80", "status": "affected"}], "defaultStatus": "unknown"}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2025-03-05T16:14:00.258Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-20206", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-03-06T04:55:27.343309Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T19:09:45.472Z"}}]}}

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An attacker could exploit this vulnerability by sending a crafted IPC message to a specific Cisco Secure Client process. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker must have valid user credentials on the Windows system."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "cweId": "CWE-347", "description": "Improper Verification of Cryptographic Signature"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2025-03-05T16:14:00.258Z"}}}, "cveMetadata": {"cveId": "CVE-2025-20206", "state": "PUBLISHED", "dateUpdated": "2026-02-26T19:09:45.472Z", "dateReserved": "2024-10-10T19:15:13.230Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2025-03-05T16:14:00.258Z", "assignerShortName": "cisco"}, "dataVersion": "5.2"}

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An attacker could exploit this vulnerability by sending a crafted IPC message to a specific Cisco Secure Client process. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker must have valid user credentials on the Windows system."}, {"lang": "es", "value": "Una vulnerabilidad en el canal de comunicaci\u00f3n entre procesos (IPC) de Cisco Secure Client para Windows podr\u00eda permitir que un atacante local autenticado realice un ataque de secuestro de DLL en un dispositivo afectado si Secure Firewall Posture Engine, anteriormente HostScan, est\u00e1 instalado en Cisco Secure Client. Esta vulnerabilidad se debe a una validaci\u00f3n insuficiente de los recursos que carga la aplicaci\u00f3n en tiempo de ejecuci\u00f3n. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando un mensaje IPC manipulado a un proceso espec\u00edfico de Cisco Secure Client. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante ejecutar c\u00f3digo arbitrario en la m\u00e1quina afectada con privilegios de SYSTEM. Para aprovechar esta vulnerabilidad, el atacante debe tener credenciales de usuario v\u00e1lidas en el sistema Windows."}], "id": "CVE-2025-20206", "lastModified": "2026-06-17T08:41:04.713", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "psirt@cisco.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-20206", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-03-06T04:55:27.343309Z", "version": "2.0.3"}}]}, "published": "2025-03-05T17:15:14.450", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-secure-dll-injection-AOyzEqSg"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "psirt@cisco.com", "type": "Secondary"}]}

{}

{"created": "2025-07-12T15:26:23.140177+00:00", "updated": "2025-07-12T15:26:23.140238+00:00", "vendors": ["cisco", "cisco$PRODUCT$secure_client"]}