ALPINE-CVE-2021-3426

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2021-3426
Published: 20 May 2021, 13:15
Last modified:03 Dec 2025, 22:46

Vulnerability Summary

Overall Risk (default)
low
23/100
CVSS Score
5.7 MEDIUM
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

20 May 2021, 13:15
Published
Vulnerability first disclosed
03 Dec 2025, 22:46
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.7CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Systems

  • alpine•python3

    < 3.9.4-r0 | < 3.9.4-r0 | < 3.9.4-r0 | < 3.9.4-r0 | < 3.9.4-r0 | < 3.9.4-r0 | < 3.9.4-r0 | < 3.9.4-r0 | < 3.9.4-r0

References (1)