{ "id": "CVE-2021-21777", "sourceIdentifier": "talos-cna@cisco.com", "published": "2021-06-17T11:15:07.707", "lastModified": "2022-08-24T21:56:41.923", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read." }, { "lang": "es", "value": "Se presenta una vulnerabilidad de divulgaci\u00f3n de informaci\u00f3n en la funcionalidad del manejador Ethernet/IP UDP de Ethernet/IP de EIP Stack Group OpENer versi\u00f3n 2.3 y el commit de desarrollo 8c73bf3. Una petici\u00f3n de red especialmente dise\u00f1ada puede conllevar a una lectura fuera de l\u00edmites" } ], "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:C/C:H/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL" }, "exploitabilityScore": 3.9, "impactScore": 5.8 } ], "cvssMetricV30": [ { "source": "talos-cna@cisco.com", "type": "Secondary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 4.0 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:C/I:N/A:C", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.4 }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 9.2, "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:opener_project:opener:2.3:*:*:*:*:*:*:*", "matchCriteriaId": "93AB5D96-9EA6-4329-8BB7-78BD6271A055" } ] } ] } ], "references": [ { "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1234", "source": "talos-cna@cisco.com", "tags": [ "Exploit", "Third Party Advisory" ] } ] }