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CVE-2020-1889: 
WhatsApp vulnerability analysis and mitigation

Overview

A security feature bypass vulnerability (CVE-2020-1889) was identified in WhatsApp Desktop versions prior to v0.3.4932. This vulnerability could potentially allow for sandbox escape in Electron and escalation of privilege when combined with a remote code execution vulnerability inside the sandboxed renderer process (WhatsApp Advisory, GBHackers).

Technical details

The vulnerability specifically affects WhatsApp Desktop versions before v0.3.4932, allowing for a security feature bypass that could lead to sandbox escape in Electron. The severity of this vulnerability is heightened when combined with a remote code execution vulnerability within the sandboxed renderer process (GBHackers).

Impact

If successfully exploited, this vulnerability could allow attackers to escape the Electron sandbox and potentially escalate privileges on the affected system. The impact is particularly significant when chained with a remote code execution vulnerability in the sandboxed renderer process (WhatsApp Advisory).

Exploitability

The vulnerability requires a combination with a remote code execution vulnerability inside the sandboxed renderer process to be fully exploitable. This requirement makes the exploitation more complex but potentially more dangerous when successfully executed (GBHackers).

Mitigation and workarounds

Users are advised to update their WhatsApp Desktop application to version 0.3.4932 or later to address this vulnerability. This update implements necessary security fixes to prevent potential sandbox escape and privilege escalation (WhatsApp Advisory).

Additional resources


Source: This report was generated using AI

Related WhatsApp vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-30401MEDIUM6.7
  • NixOS logoNixOS
  • whatsapp
NoYesApr 05, 2025
CVE-2026-23863MEDIUM6.5
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  • cpe:2.3:a:whatsapp:whatsapp
NoYesMay 01, 2026
CVE-2025-55179MEDIUM5.4
  • NixOS logoNixOS
  • whatsapp
NoYesNov 18, 2025
CVE-2025-55177MEDIUM5.4
  • NixOS logoNixOS
  • whatsapp
YesYesAug 29, 2025
CVE-2026-23866MEDIUM4.3
  • NixOS logoNixOS
  • cpe:2.3:a:whatsapp:whatsapp
NoYesMay 01, 2026

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