CVE-2018-4852

A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with network access to the device could potentially circumvent the authentication mechanism if he/she is able to obtain certain knowledge specific to the attacked device.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/104672	Third Party Advisory VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf	Mitigation Vendor Advisory
http://www.securityfocus.com/bid/104672	Third Party Advisory VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:siemens:siclock_tc400_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:siemens:siclock_tc400:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:siemens:siclock_tc100_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:siemens:siclock_tc100:-:*:*:*:*:*:*:*

History

21 Nov 2024, 04:07

Type	Values Removed	Values Added
References	~~() http://www.securityfocus.com/bid/104672 - Third Party Advisory, VDB Entry~~	() http://www.securityfocus.com/bid/104672 - Third Party Advisory, VDB Entry
References	~~() https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf - Mitigation, Vendor Advisory~~	() https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf - Mitigation, Vendor Advisory

Information

Published : 2018-07-03 14:29

Updated : 2024-11-21 04:07

NVD link : CVE-2018-4852

Mitre link : CVE-2018-4852

CVE.ORG link : CVE-2018-4852

JSON object : View

Products Affected

siemens

siclock_tc100
siclock_tc400_firmware
siclock_tc400
siclock_tc100_firmware

CWE

CWE-288

Authentication Bypass Using an Alternate Path or Channel

CWE-287

Improper Authentication

{"id": "CVE-2018-4852", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "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": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2018-07-03T14:29:00.290", "references": [{"url": "http://www.securityfocus.com/bid/104672", "tags": ["Third Party Advisory", "VDB Entry"], "source": "productcert@siemens.com"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf", "tags": ["Mitigation", "Vendor Advisory"], "source": "productcert@siemens.com"}, {"url": "http://www.securityfocus.com/bid/104672", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf", "tags": ["Mitigation", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "productcert@siemens.com", "description": [{"lang": "en", "value": "CWE-288"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with network access to the device could potentially circumvent the authentication mechanism if he/she is able to obtain certain knowledge specific to the attacked device."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en SICLOCK TC100 (todas las versiones) y SICLOCK TC400 (todas las versiones). Un atacante con acceso de red al dispositivo podr\u00eda omitir el mecanismo de autenticaci\u00f3n si dicho atacante puede obtener informaci\u00f3n espec\u00edfica del dispositivo atacado."}], "lastModified": "2024-11-21T04:07:35.270", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:siclock_tc400_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "623964CC-A572-43D4-B1A8-728BBFDDCE80"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:siclock_tc400:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "6BCF92CE-8978-409E-B37B-B8CFBD070450"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:siclock_tc100_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1DBC06E1-89FB-4A17-A144-EC08C55E3301"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:siclock_tc100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CF13B571-98B9-4632-A275-A835DDCB5AD1"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "productcert@siemens.com"}