CVE-2021-3426
Public on 2021-05-06
Modified on 2024-02-12
Description
A flaw was found in Python 3's pydoc. This flaw allows a local or adjacent attacker who discovers or can convince another local or adjacent user to start a pydoc server to access the server and then use it to disclose sensitive information belonging to the other user that they would not normally have the ability to access. The highest threat from this vulnerability is to data confidentiality.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | python3 | 2021-05-20 | ALAS2-2021-1640 | Fixed |
| Amazon Linux 1 | python34 | 2021-05-20 | ALAS-2021-1504 | Fixed |
| Amazon Linux 1 | python35 | 2021-05-06 | ALAS-2021-1498 | Fixed |
| Amazon Linux 1 | python36 | 2021-05-14 | ALAS-2021-1500 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.7 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | CVSSv2 | 2.7 | AV:A/AC:L/Au:S/C:P/I:N/A:N |
| NVD | CVSSv3 | 5.7 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |