AUGUST 4, 2026
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Case File

CVE-2021-3426

MEDIUM · CVSS 5.7 EPSS 1.88%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-20 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.7. See the original NVD description below for full technical details.

CVE
CVE-2021-3426
Severity
MEDIUM
CVSS
5.7
EPSS
1.88%

Original NVD Description

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. This flaw affects Python versions before 3.8.9, Python versions before 3.9.3 and Python versions before 3.10.0a7.

Related CVEs

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