{"id":"CVE-2025-3033","state":"PUBLISHED","title":"Opening local .url files could lead to another file being opened","description":"After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded.  \n*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 137 and Thunderbird 137.","publishedAt":"2025-04-01T12:29:04.495Z","updatedAt":"2026-04-13T14:29:35.142Z","severity":{"score":7.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Firefox","Mozilla Thunderbird"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"137","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"137","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1950056","https://www.mozilla.org/security/advisories/mfsa2025-20/","https://www.mozilla.org/security/advisories/mfsa2025-23/"],"weaknesses":["CWE-73"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/3xxx/CVE-2025-3033.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-3033","state":"PUBLISHED","datePublished":"2025-04-01T12:29:04.495Z","dateUpdated":"2026-04-13T14:29:35.142Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2025-03-31T09:35:30.844Z"},"containers":{"cna":{"title":"Opening local .url files could lead to another file being opened","descriptions":[{"lang":"en","value":"After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded.  \n*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 137 and Thunderbird 137."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"137","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"137","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1950056"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-20/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-23/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-04-13T14:29:35.142Z"},"credits":[{"lang":"en","value":"Ameen Basha M K"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.7,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-04-01T18:32:22.387263Z","id":"CVE-2025-3033","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-73","type":"CWE","lang":"en","description":"CWE-73 External Control of File Name or Path"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-01T18:33:39.492Z"}}]}}}