CVE-2021-34421 - CVE House
Back to Database
Status published Low CVE-2021-34421

Retained exploded messages in Keybase Clients for Android and iOS

Vulnerability Description

The Keybase Client for Android before version 5.8.0 and the Keybase Client for iOS before version 5.8.0 fails to properly remove exploded messages initiated by a user if the receiving user places the chat session in the background while the sending user explodes the messages. This could lead to disclosure of sensitive information which was meant to be deleted from the customer's device.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-34421

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Olivia O'Hara, John Jackson, Jackson Henry, and Robert Willis

References

More from Zoom Video Communications Inc

View All →
CVE-2023-28597
Improper trust boundary implementation for SMB in Zoom Clients
High 8.3
CVE-2023-28596
Local Privilege Escalation in Zoom for macOS Installers
High 7.8
CVE-2023-22883
Local Privilege Escalation in Zoom for Windows Installers
High 7.2
CVE-2023-22882
Denial of Service in Zoom Clients
Medium 6.5
CVE-2023-22881
Denial of Service in Zoom Clients
Medium 6.5

Affected Vendor

Zoom Video Communications Inc

View all reports →

Affected Software

Keybase Client for Android, Keybase Client for iOS
Vulnerable Versions:
unspecified

Timeline

Official Publish: November 11th, 2021
Last Modified: September 17th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.