{"affected":[{"affectedData":[{"product":"Chrome","vendor":"Google","versions":[{"lessThan":"90.0.4430.72","status":"affected","version":"unspecified","versionType":"custom"}]}],"source":"chrome-cve-admin@google.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*","matchCriteriaId":"AA25EC6D-14D9-4EAA-AA09-065B7DF90FE8","versionEndExcluding":"90.0.4430.72","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","matchCriteriaId":"36D96259-24BD-44E2-96D9-78CE1D41F956","vulnerable":true},{"criteria":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","matchCriteriaId":"E460AA51-FCDA-46B9-AE97-E6676AA5E194","vulnerable":true},{"criteria":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","matchCriteriaId":"A930E247-0B43-43CB-98FF-6CE7B8189835","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Insufficient validation of untrusted input in Mojo in Google Chrome prior to 90.0.4430.72 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page."},{"lang":"es","value":"Una comprobación insuficiente de una entrada no confiable en Mojo en Google Chrome versiones anteriores a 90.0.4430.72, permitió a un atacante remoto que había comprometido el proceso del renderizador filtrar datos de origen cruzado por medio de una página HTML diseñada"}],"id":"CVE-2021-21221","lastModified":"2026-06-17T03:35:04.020","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"NONE","baseScore":4.3,"confidentialityImpact":"PARTIAL","integrityImpact":"NONE","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","version":"2.0"},"exploitabilityScore":8.6,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-04-26T17:15:08.623","references":[{"source":"chrome-cve-admin@google.com","tags":["Release Notes","Third Party Advisory"],"url":"https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.html"},{"source":"chrome-cve-admin@google.com","tags":["Third Party Advisory"],"url":"https://crbug.com/1195333"},{"source":"chrome-cve-admin@google.com","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/"},{"source":"chrome-cve-admin@google.com","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/"},{"source":"chrome-cve-admin@google.com","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/"},{"source":"chrome-cve-admin@google.com","tags":["Third Party Advisory"],"url":"https://security.gentoo.org/glsa/202104-08"},{"source":"chrome-cve-admin@google.com","tags":["Third Party Advisory"],"url":"https://www.debian.org/security/2021/dsa-4906"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Release Notes","Third Party Advisory"],"url":"https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://crbug.com/1195333"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://security.gentoo.org/glsa/202104-08"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://www.debian.org/security/2021/dsa-4906"}],"sourceIdentifier":"chrome-cve-admin@google.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-20"}],"source":"nvd@nist.gov","type":"Primary"}]}