Insufficient Verification of Data Authenticity Affecting aiosmtpd package, versions [,1.4.5)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-PYTHON-AIOSMTPD-6437828
  • published 14 Mar 2024
  • disclosed 13 Mar 2024
  • credit Unknown

How to fix?

Upgrade aiosmtpd to version 1.4.5 or higher.

Overview

aiosmtpd is an aiosmtpd - asyncio based SMTP server

Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity due to the improper handling of inbound SMTP connections. An attacker can send spoofed emails with fake sender addresses, enabling advanced phishing attacks by exploiting differences in the interpretation of the SMTP protocol.

References

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    Low
  • Availability (A)
    None