{ "id": "CVE-2021-20093", "sourceIdentifier": "vulnreport@tenable.com", "published": "2021-06-16T12:15:12.037", "lastModified": "2024-11-21T05:45:54.840", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server." }, { "lang": "es", "value": "Se presenta una vulnerabilidad de lectura excesiva del b\u00fafer en Wibu-Systems CodeMeter versiones anteriores a 7.21a. Un atacante remoto no autenticado puede explotar este problema para revelar el contenido de la memoria de la pila o bloquear el CodeMeter Runtime Server" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 5.2 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "baseScore": 6.4, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-125" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:wibu:codemeter:*:*:*:*:*:*:*:*", "versionEndIncluding": "7.21a", "matchCriteriaId": "703D0DCC-23C2-4E57-A273-B6BDA05D424C" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:siemens:pss_cape:-:*:*:*:*:*:*:*", "matchCriteriaId": "890BA38B-38CD-4B6D-96E8-A786CFFE4C35" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:siemens:sicam_230_firmware:*:*:*:*:*:*:*:*", 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"source": "vulnreport@tenable.com", "tags": [ "Mitigation", "Vendor Advisory" ] }, { "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf", "source": "vulnreport@tenable.com", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02", "source": "vulnreport@tenable.com", "tags": [ "Third Party Advisory", "US Government Resource" ] }, { "url": "https://www.tenable.com/security/research/tra-2021-24", "source": "vulnreport@tenable.com", "tags": [ "Exploit", "Patch", "Third Party Advisory" ] }, { "url": "https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mitigation", "Vendor Advisory" ] }, { "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "US Government Resource" ] }, { "url": "https://www.tenable.com/security/research/tra-2021-24", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Patch", "Third Party Advisory" ] } ] }