CVSS v3
5.4
MEDIUM
EPSS Score
63.5 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2024-07-04
Frequently asked questions
What is CVE-2024-39929?
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.
Is CVE-2024-39929 actively exploited?
Active exploitation of CVE-2024-39929 has not been confirmed. The EPSS score is 63.5%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2024-39929?
CVE-2024-39929 has a CVSS v3 base score of 5.4 (MEDIUM severity).
Is CVE-2024-39929 affecting your environment?
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