VULNERABILITY INTELLIGENCE

CVE-2024-39929

CVSS score5.4 MEDIUM
EPSS probability41.49%
CISA KEVNot currently listed
Published2024-07-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-116

Primary references