{ "id": "CVE-2020-4839", "sourceIdentifier": "psirt@us.ibm.com", "published": "2021-05-25T17:15:07.990", "lastModified": "2021-05-28T20:39:57.670", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "IBM Host firmware for LC-class Systems is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A remote privileged attacker could exploit this vulnerability and cause a denial of service. IBM X-Force ID: 190037." }, { "lang": "es", "value": "IBM Host firmware para LC-class Systems es vulnerable a un desbordamiento de b\u00fafer en la regi\u00f3n stack de la memoria, causado por una comprobaci\u00f3n inapropiada de l\u00edmites. Un atacante privilegiado remoto podr\u00eda explotar esta vulnerabilidad y causar una denegaci\u00f3n de servicio. IBM X-Force ID: 190037" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.2, "impactScore": 3.6 } ], "cvssMetricV30": [ { "source": "psirt@us.ibm.com", "type": "Secondary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.2, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-787" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:ibm:8335-gca_firmware:op820:*:*:*:*:*:*:*", "matchCriteriaId": "9872FE01-5CAF-43C6-A89C-965128B99148" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:ibm:8335-gca:-:*:*:*:*:*:*:*", "matchCriteriaId": "8248B644-C241-47A3-97E8-7BEFB49BBA9B" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:ibm:8335-gta_firmware:op820:*:*:*:*:*:*:*", "matchCriteriaId": "14943D3A-7074-46F7-B359-84F00495EBBA" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:ibm:8335-gta:-:*:*:*:*:*:*:*", "matchCriteriaId": "72984661-F71F-4E16-A29B-8FE35CA20968" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:ibm:8335-gtb_firmware:op820:*:*:*:*:*:*:*", "matchCriteriaId": "4C616D01-40E6-4BDC-A2EE-4D9323DB6BFD" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:ibm:8335-gtb:-:*:*:*:*:*:*:*", "matchCriteriaId": "2620904D-3D2E-4B4C-BC9C-FCDABFDAD157" } ] } ] } ], "references": [ { "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/190037", "source": "psirt@us.ibm.com", "tags": [ "VDB Entry", "Vendor Advisory" ] }, { "url": "https://www.ibm.com/support/pages/node/6454303", "source": "psirt@us.ibm.com", "tags": [ "Vendor Advisory" ] } ] }