cvedb.io
CVE-2021-3426
MEDIUM · CVSS 5.7
EPSS exploitation probability: 0%
Published 2021-05-20T13:15:07.753 · Last modified 2026-06-17T04:05:04.050

Summary

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.

Affected products

python — python

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.