CVE-2018-4856

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{"affected": [{"affectedData": [{"product": "SICLOCK TC100, SICLOCK TC400", "vendor": "Siemens AG", "versions": [{"status": "affected", "version": "SICLOCK TC100 : All versions"}, {"status": "affected", "version": "SICLOCK TC400 : All versions"}]}], "source": "productcert@siemens.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:siclock_tc400_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "623964CC-A572-43D4-B1A8-728BBFDDCE80", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:siclock_tc400:-:*:*:*:*:*:*:*", "matchCriteriaId": "6BCF92CE-8978-409E-B37B-B8CFBD070450", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:siclock_tc100_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "1DBC06E1-89FB-4A17-A144-EC08C55E3301", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:siclock_tc100:-:*:*:*:*:*:*:*", "matchCriteriaId": "CF13B571-98B9-4632-A275-A835DDCB5AD1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with administrative access to the device's management interface could lock out legitimate users. Manual interaction is required to restore the access of legitimate users."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en SICLOCK TC100 (todas las versiones) y SICLOCK TC400 (todas las versiones). Un atacante con acceso administrador a la interfaz de administraci\u00f3n del dispositivo podr\u00eda bloquear a usuarios leg\u00edtimos. Se necesita interacci\u00f3n manual para restaurar el acceso de los usuarios leg\u00edtimos."}], "id": "CVE-2018-4856", "lastModified": "2026-06-17T01:59:10.770", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-07-03T14:29:00.477", "references": [{"source": "productcert@siemens.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/104672"}, {"source": "productcert@siemens.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/104672"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-197012.pdf"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "productcert@siemens.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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