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VULNERABILITIES

CVE-2021-23827 Details

Description

Keybase Desktop Client before 5.6.0 on Windows and macOS, and before 5.6.1 on Linux, allows an attacker to obtain potentially sensitive media (such as private pictures) in the Cache and uploadtemps directories. It fails to effectively clear cached pictures, even after deletion via normal methodology within the client, or by utilizing the "Explode message/Explode now" functionality. Local filesystem access is needed by the attacker.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/keybase/client/releases CVERelease NotesThird Party Advisory
https://hackerone.com/reports/1074930 CVEExploitIssue TrackingThird Party Advisory
https://johnjhacking.com/blog/cve-2021-23827/ CVEExploitThird Party Advisory
https://github.com/keybase/client/releases [email protected]Release NotesThird Party Advisory
https://hackerone.com/reports/1074930 [email protected]ExploitIssue TrackingThird Party Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-312Cleartext Storage of Sensitive Information[email protected]

Affected Products

ProductVersions
keybase keybase
< 5.6.0
< 5.6.1

CPE

  • cpe:2.3:a:keybase:keybase:*:*:*:*:*:*:*:*
  • cpe:2.3:o:keybase:keybase:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
apple macos
All versions

CPE

  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
microsoft windows
All versions

CPE

  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat linux
All versions

CPE

  • cpe:2.3:o:redhat:linux:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-23827
NVD Published Date:
Feb 23, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-23827 Details - Not Deferred