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CVE-2024-34083

5.4 · MEDIUM

aiosmptd is a reimplementation of the Python stdlib smtpd.py based on asyncio.

Published May 18, 2024CWE-349EPSS 0.23%

Overview

CVE-2024-34083 is a medium-severity vulnerability. It was published on May 18, 2024 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/aio-libs/aiosmtpd/commit/b3a4a2c6ecfd228856a20d637dc383541fcdbfdaGitHubgithub.com/aio-libs/aiosmtpd/security/advisories/GHSA-wgjv-9j3q-jhg8Refnostarttls.secvuln.infoGitHubgithub.com/aio-libs/aiosmtpd/commit/b3a4a2c6ecfd228856a20d637dc383541fcdbfdaGitHubgithub.com/aio-libs/aiosmtpd/security/advisories/GHSA-wgjv-9j3q-jhg8Refnostarttls.secvuln.info

How CyberStrike helps

Frequently asked questions

What is CVE-2024-34083?

CVE-2024-34083 is a medium-severity vulnerability. It was published on May 18, 2024 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2024-34083?

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-34083?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-34083?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-34083 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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