Skip to content
appaloosa scout logo main rounded
MEDIUM 5.7

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

CVSS v3 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS 0.1% percentile 23.7%

Affected tracked apps

Vulnerable CPE configurations

Vendor Product Platform Versions CPE 2.3 URI
python python Windows <2.7.18 cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
python python Windows ≥3.6.0 <3.6.13 cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
python python Windows ≥3.7.0 <3.7.10 cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
python python Windows ≥3.8.0 <3.8.8 cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
python python Windows ≥3.9.0 <3.9.3 cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
python python Windows cpe:2.3:a:python:python:3.10.0:alpha1:*:*:*:*:*:*
python python Windows cpe:2.3:a:python:python:3.10.0:alpha2:*:*:*:*:*:*
python python Windows cpe:2.3:a:python:python:3.10.0:alpha3:*:*:*:*:*:*
python python Windows cpe:2.3:a:python:python:3.10.0:alpha4:*:*:*:*:*:*
python python Windows cpe:2.3:a:python:python:3.10.0:alpha5:*:*:*:*:*:*
python python Windows cpe:2.3:a:python:python:3.10.0:alpha6:*:*:*:*:*:*
View on NVD ↗