CVE-2021-3426

CVSS V2 Low 2.7 CVSS V3 Medium 5.7
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.
Overview
  • CVE ID
  • CVE-2021-3426
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-20T13:15:07
  • Last Modified Date
  • 2022-10-25T20:56:30
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 1 OR 2.7.18
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 1 OR 3.6.0 3.6.13
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 1 OR 3.7.0 3.7.10
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 1 OR 3.8.0 3.8.8
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 1 OR 3.9.0 3.9.3
cpe:2.3:a:python:python:3.10.0:alpha1:*:*:*:*:*:* 1 OR
cpe:2.3:a:python:python:3.10.0:alpha2:*:*:*:*:*:* 1 OR
cpe:2.3:a:python:python:3.10.0:alpha3:*:*:*:*:*:* 1 OR
cpe:2.3:a:python:python:3.10.0:alpha4:*:*:*:*:*:* 1 OR
cpe:2.3:a:python:python:3.10.0:alpha5:*:*:*:*:*:* 1 OR
cpe:2.3:a:python:python:3.10.0:alpha6:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:1.10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:A/AC:L/Au:S/C:P/I:N/A:N
  • Access Vector
  • ADJACENT_NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.7
  • Severity
  • LOW
  • Exploitability Score
  • 5.1
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • ADJACENT_NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.7
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.1
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BF2K7HEWADHN6P52R3QLIOX27U3DJ4HI/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N6VXJZSZ6N64AILJX4CTMACYGQGHHD5C/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LM5V4VPLBHBEASSAROYPSHXGXGGPHNOE/ Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00005.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DQYPUKLLBOZMKFPO7RD7CENTXHUUEUV7/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/25HVHLBGO2KNPXJ3G426QEYSSCECJDU5/ Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1935913 Issue Tracking Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QNGAFMPIYIVJ47FCF2NK2PIX22HUG35B/ Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202104-04 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VPX7Y5GQDNB4FJTREWONGC4ZSVH7TGHF/ Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210629-0003/ Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3426
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3426
History
Created Old Value New Value Data Type Notes
2022-05-10 15:48:00 Added to TrackCVE
2022-12-05 02:40:19 2021-05-20T13:15Z 2021-05-20T13:15:07 CVE Published Date updated
2022-12-05 02:40:19 2022-10-25T20:56:30 CVE Modified Date updated
2022-12-05 02:40:19 Analyzed Vulnerability Status updated