{"id":"CVE-2024-39929","state":"PUBLISHED","title":"Exim through 4.97.1 misparses a multiline RFC 2231 header filename, and thus remote attackers can bypass a $mime_filename extension-blocking protection mechanism, and potentially d","description":"Exim through 4.97.1 misparses a multiline RFC 2231 header filename, and thus remote attackers can bypass a $mime_filename extension-blocking protection mechanism, and potentially deliver executable attachments to the mailboxes of end users.","publishedAt":"2024-07-04T00:00:00.000Z","updatedAt":"2025-03-18T15:37:58.804Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357","https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b","https://github.com/Exim/exim/compare/exim-4.98-RC2...exim-4.98-RC3","https://www.rfc-editor.org/rfc/rfc2231.txt","https://bugs.exim.org/show_bug.cgi?id=3099#c4"],"weaknesses":["CWE-116"],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/39xxx/CVE-2024-39929.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-39929","state":"PUBLISHED","datePublished":"2024-07-04T00:00:00.000Z","dateUpdated":"2025-03-18T15:37:58.804Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2024-07-04T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Exim through 4.97.1 misparses a multiline RFC 2231 header filename, and thus remote attackers can bypass a $mime_filename extension-blocking protection mechanism, and potentially deliver executable attachments to the mailboxes of end users."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357"},{"url":"https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b"},{"url":"https://github.com/Exim/exim/compare/exim-4.98-RC2...exim-4.98-RC3"},{"url":"https://www.rfc-editor.org/rfc/rfc2231.txt"},{"url":"https://bugs.exim.org/show_bug.cgi?id=3099#c4"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2024-07-04T14:47:11.317Z"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"exim","product":"exim","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.97.1","versionType":"custom"}],"cpes":["cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.4,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-07-08T16:09:08.280186Z","id":"CVE-2024-39929","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-116","type":"CWE","lang":"en","description":"CWE-116 Improper Encoding or Escaping of Output"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-03-18T15:37:58.804Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357","tags":["x_transferred"]},{"url":"https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b","tags":["x_transferred"]},{"url":"https://github.com/Exim/exim/compare/exim-4.98-RC2...exim-4.98-RC3","tags":["x_transferred"]},{"url":"https://www.rfc-editor.org/rfc/rfc2231.txt","tags":["x_transferred"]},{"url":"https://bugs.exim.org/show_bug.cgi?id=3099#c4","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T04:33:11.626Z"}}]}}}