CVE-2019-10120

On eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.16, automatic login configuration (aka setAutoLogin) can be achieved by continuing to use a session ID after a logout, aka HMCCU-154.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

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

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdf	Release Notes Vendor Advisory
https://www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdf	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

AND

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

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

Configuration 2 (hide)

AND

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

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

Information

Published : 2019-07-10 05:15

Updated : 2019-07-17 09:21

NVD link : CVE-2019-10120

Mitre link : CVE-2019-10120

JSON object : View

CWE

CWE-384

Session Fixation

Products Affected

eq-3

ccu3
ccu2
ccu2_firmware
ccu3_firmware

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdf", "name": "https://www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdf", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdf", "name": "https://www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdf", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "On eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.16, automatic login configuration (aka setAutoLogin) can be achieved by continuing to use a session ID after a logout, aka HMCCU-154."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-384"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-10120", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}}, "publishedDate": "2019-07-10T12:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:eq-3:ccu3_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.43.16"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:eq-3:ccu3:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:eq-3:ccu2_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.41.8"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:eq-3:ccu2:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-07-17T16:21Z"}

8.8 /10