{"id":"CVE-2021-30551","state":"PUBLISHED","title":"Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.","description":"Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.","publishedAt":"2021-06-15T21:40:34.000Z","updatedAt":"2025-10-21T23:25:42.296Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Chrome","products":["Google Chrome"],"affected":[{"vendor":"Google","product":"Chrome","versions":[{"version":"unspecified","status":"affected","lessThan":"91.0.4472.101","versionType":"custom"}]}],"references":["https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html","https://crbug.com/1216437","https://security.gentoo.org/glsa/202107-06","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/","https://security.gentoo.org/glsa/202208-25","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30551"],"weaknesses":["CWE-843"],"ingestedAt":"2026-10-29T19:48:26.823Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/30xxx/CVE-2021-30551.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-30551","state":"PUBLISHED","datePublished":"2021-06-15T21:40:34.000Z","dateUpdated":"2025-10-21T23:25:42.296Z","assignerShortName":"Chrome","assignerOrgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","dateReserved":"2021-04-13T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page."}],"affected":[{"vendor":"Google","product":"Chrome","versions":[{"version":"unspecified","status":"affected","lessThan":"91.0.4472.101","versionType":"custom"}]}],"references":[{"url":"https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html","tags":["x_refsource_MISC"]},{"url":"https://crbug.com/1216437","tags":["x_refsource_MISC"]},{"url":"https://security.gentoo.org/glsa/202107-06","name":"GLSA-202107-06","tags":["vendor-advisory","x_refsource_GENTOO"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/","name":"FEDORA-2021-f94dadff78","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/","name":"FEDORA-2021-ca58c57bdf","tags":["vendor-advisory","x_refsource_FEDORA"]},{"url":"https://security.gentoo.org/glsa/202208-25","name":"GLSA-202208-25","tags":["vendor-advisory","x_refsource_GENTOO"]}],"problemTypes":[{"descriptions":[{"description":"Type Confusion","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"Chrome","dateUpdated":"2022-08-14T19:09:22.000Z","orgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"chrome-cve-admin@google.com","ID":"CVE-2021-30551","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Chrome","version":{"version_data":[{"version_affected":"<","version_value":"91.0.4472.101"}]}}]},"vendor_name":"Google"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Type Confusion"}]}]},"references":{"reference_data":[{"name":"https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html","refsource":"MISC","url":"https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html"},{"name":"https://crbug.com/1216437","refsource":"MISC","url":"https://crbug.com/1216437"},{"name":"GLSA-202107-06","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/202107-06"},{"name":"FEDORA-2021-f94dadff78","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/"},{"name":"FEDORA-2021-ca58c57bdf","refsource":"FEDORA","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/"},{"name":"GLSA-202208-25","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/202208-25"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://crbug.com/1216437","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202107-06","name":"GLSA-202107-06","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/","name":"FEDORA-2021-f94dadff78","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/","name":"FEDORA-2021-ca58c57bdf","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202208-25","name":"GLSA-202208-25","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T22:32:41.152Z"}},{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30551","tags":["government-resource"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2021-30551","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-01-29T16:53:02.843426Z"}}},{"other":{"type":"kev","content":{"dateAdded":"2021-11-03","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30551"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-843","lang":"en","type":"CWE","description":"CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-21T23:25:42.296Z"},"timeline":[{"time":"2021-11-03T00:00:00.000Z","lang":"en","value":"CVE-2021-30551 added to CISA KEV"}]}]}}}