{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-3863","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","state":"PUBLISHED","assignerShortName":"mozilla","dateReserved":"2024-04-15T20:27:02.136Z","datePublished":"2024-04-16T15:14:08.950Z","dateUpdated":"2025-08-22T03:55:42.389Z"},"containers":{"cna":{"affected":[{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThan":"125","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"Firefox ESR","vendor":"Mozilla","versions":[{"lessThan":"115.10","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThan":"115.10","status":"affected","version":"unspecified","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"The executable file warning was not presented when downloading .xrm-ms files.  \n*Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.","supportingMedia":[{"type":"text/html","base64":false,"value":"The executable file warning was not presented when downloading .xrm-ms files.  <br>*Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10."}]}],"problemTypes":[{"descriptions":[{"description":"Download Protections were bypassed by .xrm-ms files on Windows","lang":"en","type":"text"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1885855"},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-18/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-19/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-20/"}],"credits":[{"lang":"en","value":"Eduardo Braun Prado working with Trend Micro Zero Day Initiative"}],"providerMetadata":{"orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla","dateUpdated":"2024-06-21T18:16:01.262Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-434","lang":"en","description":"CWE-434 Unrestricted Upload of File with Dangerous Type"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-08-21T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2024-3863"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-08-22T03:55:42.389Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-01T20:26:57.123Z"},"title":"CVE Program Container","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1885855","tags":["x_transferred"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-18/","tags":["x_transferred"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-19/","tags":["x_transferred"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-20/","tags":["x_transferred"]}]}]}}