{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-03T15:13:24.499","vulnerabilities":[{"cve":{"id":"CVE-2021-28211","sourceIdentifier":"infosec@edk2.groups.io","published":"2021-06-11T16:15:12.503","lastModified":"2024-11-21T05:59:22.507","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A heap overflow in LzmaUefiDecompressGetInfo function in EDK II."},{"lang":"es","value":"Un desbordamiento de la pila en la función zmaUefiDecompressGetInfo en EDK II"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":6.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":0.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:P/I:P/A:P","baseScore":4.6,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":3.9,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"infosec@edk2.groups.io","type":"Secondary","description":[{"lang":"en","value":"CWE-122"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:tianocore:edk2:202008:*:*:*:*:*:*:*","matchCriteriaId":"1C45BEB6-1F89-4813-B2CF-90639F9CE525"}]}]}],"references":[{"url":"https://bugzilla.tianocore.org/show_bug.cgi?id=1816","source":"infosec@edk2.groups.io","tags":["Exploit","Issue Tracking","Patch","Vendor Advisory"]},{"url":"https://bugzilla.tianocore.org/show_bug.cgi?id=1816","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Patch","Vendor Advisory"]}]}}]}