{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-06T01:09:24.705","vulnerabilities":[{"cve":{"id":"CVE-2021-4122","sourceIdentifier":"secalert@redhat.com","published":"2022-08-24T16:15:09.427","lastModified":"2024-11-21T06:36:56.853","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"It was found that a specially crafted LUKS header could trick cryptsetup into disabling encryption during the recovery of the device. An attacker with physical access to the medium, such as a flash disk, could use this flaw to force a user into permanently disabling the encryption layer of that medium."},{"lang":"es","value":"Se ha detectado que un encabezado LUKS especialmente diseñada podía engañar a cryptsetup para que deshabilitara el cifrado durante la recuperación del dispositivo. Un atacante con acceso físico al medio, como un disco flash, podría usar este fallo para forzar a un usuario a deshabilitar permanentemente la capa de cifrado de ese medio."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"PHYSICAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":0.7,"impactScore":3.6}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-345"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-345"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cryptsetup_project:cryptsetup:*:*:*:*:*:*:*:*","versionEndExcluding":"2.3.7","matchCriteriaId":"F7DA77A9-DF78-49E9-8492-8E84C70D4495"},{"vulnerable":true,"criteria":"cpe:2.3:a:cryptsetup_project:cryptsetup:*:*:*:*:*:*:*:*","versionStartIncluding":"2.4.0","versionEndExcluding":"2.4.3","matchCriteriaId":"DAE6BBF2-E730-4C5A-81DF-AA13449D0151"}]}]}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2021-4122","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2031859","source":"secalert@redhat.com","tags":["Permissions Required","Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2032401","source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c","source":"secalert@redhat.com","tags":["Patch","Third Party Advisory"]},{"url":"https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes","source":"secalert@redhat.com","tags":["Release Notes","Vendor Advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-4122","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2031859","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Permissions Required","Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2032401","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Vendor Advisory"]}]}}]}