CVE-2024-25584
MEDIUMOX Dovecot Pro < 2.3.21 - Email Splitting via Incorrect DATA Command Termination
Title source: llmDescription
Dovecot accepts dot LF DOT LF symbol as end of DATA command. RFC requires that it should always be CR LF DOT CR LF. This causes Dovecot to convert single mail with LF DOT LF in middle, into two emails when relaying to SMTP. Dovecot will split mail with LF DOT LF into two mails. Upgrade to latest released version. No publicly available exploits are known.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2024/oxdc-adv-2024-0001.json
Scores
CVSS v3
5.3
EPSS
0.0019
EPSS Percentile
8.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-345
Status
published
Products (1)
Open-Xchange GmbH/OX Dovecot Pro
< 2.3.21
Published
Sep 06, 2024
Tracked Since
Feb 18, 2026