CVEvulnerability

CVE-2021-3426

5.7 MEDIUM Published 2021-05-20 Modified 2026-10-14 Official page ↗
Status
Modified
Published
2021-05-20
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.7 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
5.7 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
2.7 LOW — AV:A/AC:L/Au:S/C:P/I:N/A:N
Weaknesses
CWE-200, CWE-22

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.

Affected configurations

• python python (< 2.7.18) • python python (>= 3.6.0 < 3.6.13) • python python (>= 3.7.0 < 3.7.10) • python python (>= 3.8.0 < 3.8.8) • python python (>= 3.9.0 < 3.9.3) • python python 3.10.0 • fedoraproject fedora 32 • fedoraproject fedora 33 • fedoraproject fedora 34 • debian debian linux 9.0 • redhat software collections • redhat enterprise linux 8.0 • netapp cloud backup • netapp ontap select deploy administration utility • netapp snapcenter • oracle communications cloud native core binding support function 1.10.0 • oracle zfs storage appliance kit 8.8

Related

Weakness · CWE (2)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References