{"schema":"threatline.record/2","record":{"id":"CVE-2021-38000","aliases":[],"summary":"Google Chromium Intents Improper Input Validation Vulnerability","details":"Google Chromium Intents contains an improper input validation vulnerability that allows a remote attacker to arbitrarily browser to a malicious URL via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.","categories":["Applications & CMS"],"product":"Chromium Intents","vendor":"Google","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-38000","source_modified_at":"2025-10-21T23:25:24.537Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Chrome","vendor":"Google","versions":[{"lessThan":"95.0.4638.69","status":"affected","version":"unspecified","versionType":"custom"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-38000","source_modified_at":"2025-10-21T23:25:24.537Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Chrome","ecosystem":null},"version":"95.0.4638.69","basis":"first unaffected version stated in the CVE record"}],"cvss":6.1,"severity":"Medium","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2021-11-17","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.04948,"percentile":0.92134,"score_date":"2026-10-23"},"published_at":"2021-11-23T21:30:26.000Z","modified_at":"2025-10-21T23:25:24.537Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2021-38000","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:25:24.537Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2021-38000","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38000","source":"CISA KEV"},{"source":"CVE List","url":"https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://crbug.com/1249962","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"source":"CVE List","url":"https://www.debian.org/security/2022/dsa-5046","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38000","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"partial","assessed_at":"2024-05-15T19:42:47.148632Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:25:24.537Z","content_hash":"50be3f2f85d07dfe6fd5b11fbd3beb1639e77ffae1c78c2fbc3bdcec3cf51025"}}