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medium5.7

CVE-2021-3426

There's a flaw in Python 3's pydoc.

Impact

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

VendorProductAffected versions
PythonPython
before 2.7.18
from 3.6.0 before 3.6.13
from 3.7.0 before 3.7.10
from 3.8.0 before 3.8.8
from 3.9.0 before 3.9.3
Version 3.10.0
FedoraprojectFedora
Versions 32, 33, 34
DebianDebian Linux
Version 9.0
RedhatSoftware Collections
All versions
RedhatEnterprise Linux
Version 8.0
NetappCloud Backup
All versions
NetappOntap Select Deploy Administration Utility
All versions
NetappSnapcenter
All versions
OracleCommunications Cloud Native Core Binding Support Function
Version 1.10.0
OracleZfs Storage Appliance Kit
Version 8.8

Weakness classification

CWE-200CWE-22

References