CVE-2025-53909

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{"affected": [{"affectedData": [{"product": "mailcow-dockerized", "vendor": "mailcow", "versions": [{"status": "affected", "version": "< 2025-07"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mailcow:mailcow\\:_dockerized:*:*:*:*:*:*:*:*", "matchCriteriaId": "8DE8467A-C5F8-40C3-B411-B9F4BCED7E7E", "versionEndExcluding": "2025-07", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "mailcow: dockerized is an open source groupware/email suite based on docker. A Server-Side Template Injection (SSTI) vulnerability exists in versions prior to 2025-07 in the notification template system used by mailcow for sending quota and quarantine alerts. The template rendering engine allows template expressions that may be abused to execute code in certain contexts. The issue requires admin-level access to mailcow UI to configure templates, which are automatically rendered during normal system operation. Version 2025-07 contains a patch for the issue."}, {"lang": "es", "value": "mailcow: dockerized es una suite de correo electr\u00f3nico/groupware de c\u00f3digo abierto basada en Docker. Existe una vulnerabilidad de inyecci\u00f3n de plantillas del lado del servidor (SSTI) en versiones anteriores a la 2025-07 en el sistema de plantillas de notificaci\u00f3n que mailcow utiliza para enviar alertas de cuota y cuarentena. El motor de renderizado de plantillas permite que expresiones de plantilla que podr\u00edan ser utilizadas indebidamente ejecuten c\u00f3digo en ciertos contextos. El problema requiere acceso de administrador a la interfaz de usuario de mailcow para configurar las plantillas, que se renderizan autom\u00e1ticamente durante el funcionamiento normal del sistema. La versi\u00f3n 2025-07 contiene un parche para solucionar el problema."}], "id": "CVE-2025-53909", "lastModified": "2026-06-17T09:39:06.987", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-53909", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-07-17T19:54:45.486639Z", "version": "2.0.3"}}]}, "published": "2025-07-17T14:15:32.213", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/mailcow/mailcow-dockerized/commit/8c5f6c03214a4b2bdbf3c78932f860eee949012b"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-8p7g-6cjj-wr9m"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1336"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"created": "2025-07-21T15:17:18.526317+00:00", "updated": "2025-07-21T15:17:18.526369+00:00", "vendors": ["mailcow", "mailcow$PRODUCT$mailcow_dockerized"]}