CVE-2025-20387

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-20387", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2024-10-10T19:15:13.265Z", "datePublished": "2025-12-03T17:00:51.451Z", "dateUpdated": "2026-02-26T16:57:35.211Z"}, "containers": {"cna": {"affected": [{"product": "Splunk Enterprise", "vendor": "Splunk", "versions": [{"version": "10.0", "status": "affected", "versionType": "custom", "lessThan": "10.0.2"}, {"version": "9.4", "status": "affected", "versionType": "custom", "lessThan": "9.4.6"}, {"version": "9.3", "status": "affected", "versionType": "custom", "lessThan": "9.3.8"}, {"version": "9.2", "status": "affected", "versionType": "custom", "lessThan": "9.2.10"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents."}], "value": "In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents."}], "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2025-1206"}], "title": "Incorrect permissions assignment on Splunk Universal Forwarder for Windows during new installation or upgrade", "datePublic": "2025-12-03T00:00:00.000Z", "metrics": [{"cvssV3_1": {"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "baseScore": 8, "baseSeverity": "HIGH"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "description": "The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.", "cweId": "CWE-732"}]}], "source": {"advisory": "SVD-2025-1206"}, "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2025-12-03T17:00:51.451Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-20387", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-12-04T04:55:19.048956Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T16:57:35.211Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-20387", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2024-10-10T19:15:13.265Z", "datePublished": "2025-12-03T17:00:51.451Z", "dateUpdated": "2026-02-26T16:57:35.211Z"}, "containers": {"cna": {"affected": [{"product": "Splunk Enterprise", "vendor": "Splunk", "versions": [{"version": "10.0", "status": "affected", "versionType": "custom", "lessThan": "10.0.2"}, {"version": "9.4", "status": "affected", "versionType": "custom", "lessThan": "9.4.6"}, {"version": "9.3", "status": "affected", "versionType": "custom", "lessThan": "9.3.8"}, {"version": "9.2", "status": "affected", "versionType": "custom", "lessThan": "9.2.10"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents."}], "value": "In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents."}], "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2025-1206"}], "title": "Incorrect permissions assignment on Splunk Universal Forwarder for Windows during new installation or upgrade", "datePublic": "2025-12-03T00:00:00.000Z", "metrics": [{"cvssV3_1": {"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "baseScore": 8, "baseSeverity": "HIGH"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "description": "The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.", "cweId": "CWE-732"}]}], "source": {"advisory": "SVD-2025-1206"}, "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2025-12-03T17:00:51.451Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-20387", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-12-04T04:55:19.048956Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-03T21:33:38.710Z"}}]}}

{"affected": [{"affectedData": [{"product": "Splunk Enterprise", "vendor": "Splunk", "versions": [{"lessThan": "10.0.2", "status": "affected", "version": "10.0", "versionType": "custom"}, {"lessThan": "9.4.6", "status": "affected", "version": "9.4", "versionType": "custom"}, {"lessThan": "9.3.8", "status": "affected", "version": "9.3", "versionType": "custom"}, {"lessThan": "9.2.10", "status": "affected", "version": "9.2", "versionType": "custom"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "AE8BF109-2B9C-4C50-AC9F-10A45456FD75", "versionEndExcluding": "9.2.10", "versionStartIncluding": "9.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "05D6973D-D965-42D3-8320-AF4A4B424E6C", "versionEndExcluding": "9.3.8", "versionStartIncluding": "9.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "8571F470-6AE1-4737-B1FA-49121E426AF2", "versionEndExcluding": "9.4.6", "versionStartIncluding": "9.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "4413D4BE-F225-4C28-B401-EB46D8F34160", "versionEndExcluding": "10.0.2", "versionStartIncluding": "10.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Splunk Universal Forwarder for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Universal Forwarder for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents."}, {"lang": "es", "value": "En las versiones de Splunk Universal Forwarder para Windows inferiores a 10.0.2, 9.4.6, 9.3.8 y 9.2.10, una nueva instalaci\u00f3n o una actualizaci\u00f3n a una versi\u00f3n afectada puede resultar en una asignaci\u00f3n incorrecta de permisos en el directorio de instalaci\u00f3n del Universal Forwarder para Windows. Esto permite a los usuarios no administradores en la m\u00e1quina acceder al directorio y a todo su contenido."}], "id": "CVE-2025-20387", "lastModified": "2026-06-17T08:41:39.653", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.9, "source": "psirt@cisco.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-20387", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-12-04T04:55:19.048956Z", "version": "2.0.3"}}]}, "published": "2025-12-03T17:15:51.257", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://advisory.splunk.com/advisories/SVD-2025-1206"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "psirt@cisco.com", "type": "Secondary"}]}

{}

{"created": "2025-12-04T16:44:25.548882+00:00", "updated": "2025-12-04T16:44:25.548917+00:00", "vendors": ["microsoft", "microsoft$PRODUCT$windows", "splunk", "splunk$PRODUCT$splunk_enterprise", "splunk$PRODUCT$universal_forwarder"]}