PyPi: Python

CVE-2021-3426

Safety vulnerability ID: 45723

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at May 20, 2021 Updated at Nov 29, 2024

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Advisory

Python versions 3.6.13, 3.7.10, 3.8.9, 3.9.3 and 3.10.0a7 include a fix for CVE-2021-3426: There's a flaw in Python 3's pydoc. A local or adjacent attacker who discovers or is able to convince another local or adjacent user to start a pydoc server could access the server and use it to disclose sensitive information belonging to the other user that they would not normally be able to access. The highest risk of this flaw is to data confidentiality.
https://bugzilla.redhat.com/show_bug.cgi?id=1935913
https://bugs.python.org/issue42988

Affected package

python

Latest version: 0.9.8

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

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Severity Details

CVSS Base Score

MEDIUM 5.7

CVSS v3 Details

MEDIUM 5.7

Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality Impact (C): HIGH
Integrity Impact (I): NONE
Availability Availability (A): NONE

CVSS v2 Details

LOW 2.7

Access Vector (AV): ADJACENT_NETWORK
Access Complexity (AC): LOW
Authentication (Au): SINGLE
Confidentiality Impact (C): PARTIAL
Integrity Impact (I): NONE
Availability Impact (A): NONE