CVE-2018-4852

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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 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."}], "id": "CVE-2018-4852", "lastModified": "2026-06-17T01:59:10.313", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-07-03T14:29:00.290", "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-288"}], "source": "productcert@siemens.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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