CVE-2024-34083

python-aiosmtpd: aiosmptd is a reimplementation of the Python stdlib smtpd.py based on asyncio

CVE-2024-34083 is fixed in python-aiosmtpd on 1 platform, first by DEBIAN-CVE-2024-34083, released May 18, 2024. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.4
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0023
13th percentile

aiosmptd is a reimplementation of the Python stdlib smtpd.py based on asyncio. Prior to version 1.4.6, servers based on aiosmtpd accept extra unencrypted commands after STARTTLS, treating them as if they came from inside the encrypted connection. This could be exploited by a man-in-the-middle attack. Version 1.4.6 contains a patch for the issue.

Where it's fixed

ProductFixed inFixReleased
Linux
python-aiosmtpd · Debian 12.15 (bookworm) 1.4.3-1.1+deb12u1 DEBIAN-CVE-2024-34083 May 18, 2024
python-aiosmtpd · Debian 13.5 (trixie) 1.4.6-1 DEBIAN-CVE-2024-34083 May 18, 2024
python-aiosmtpd · Debian 14 1.4.6-1 DEBIAN-CVE-2024-34083 May 18, 2024

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