CVE-2019-14475

eQ-3 Homematic CCU2 2.47.15 and prior and CCU3 3.47.15 and prior use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID from CVE-2019-9583, resulting in the ability to read the service messages, clear the system protocol, create a new user in the system, or modify/delete internal programs.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://psytester.github.io/CVE-2019-14475	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:eq-3:ccu2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:eq-3:ccu2:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:eq-3:ccu3_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:eq-3:ccu3:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-08-05 20:15

Updated : 2020-08-24 17:37

NVD link : CVE-2019-14475

Mitre link : CVE-2019-14475

CVE.ORG link : CVE-2019-14475

JSON object : View

Products Affected

eq-3

ccu2_firmware
ccu3
ccu3_firmware
ccu2

CWE

CWE-862

Missing Authorization

{"id": "CVE-2019-14475", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2019-08-05T20:15:11.030", "references": [{"url": "https://psytester.github.io/CVE-2019-14475", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "eQ-3 Homematic CCU2 2.47.15 and prior and CCU3 3.47.15 and prior use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID from CVE-2019-9583, resulting in the ability to read the service messages, clear the system protocol, create a new user in the system, or modify/delete internal programs."}, {"lang": "es", "value": "Homematic de eQ-3 versi\u00f3n CCU2 2.47.15 y anteriores y versi\u00f3n CCU3 3.47.15, utiliza IDs de sesi\u00f3n para la autenticaci\u00f3n pero carecen de comprobaciones de autorizaci\u00f3n. Un atacante puede obtener un ID de sesi\u00f3n desde CVE-2019-9583, resultando en la capacidad de leer los mensajes de servicio, borrar el protocolo del sistema, crear un nuevo usuario en el sistema o modificar y eliminar programas internos."}], "lastModified": "2020-08-24T17:37:01.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:eq-3:ccu2_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CBFCAA60-2021-4DAE-B9DA-A4C45ACD286D", "versionEndIncluding": "2.47.15"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:eq-3:ccu2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "125CA411-3433-4848-8EBC-E94808C862FB"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:eq-3:ccu3_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9ECA4670-4D98-43C1-A1F4-6F77B14423E4", "versionEndIncluding": "3.47.15"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:eq-3:ccu3:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DAEB3E1D-3D34-4B6D-AC9F-F0F28370050A"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}