CVE-2020-1891

CRITICAL

WhatsApp <2.20.17-2.20.20 - Memory Corruption

Title source: llm
STIX 2.1

Description

A user controlled parameter used in video call in WhatsApp for Android prior to v2.20.17, WhatsApp Business for Android prior to v2.20.7, WhatsApp for iPhone prior to v2.20.20, and WhatsApp Business for iPhone prior to v2.20.20 could have allowed an out-of-bounds write on 32-bit devices.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://www.whatsapp.com/security/advisories/2020

Scores

CVSS v3 9.8
EPSS 0.0149
EPSS Percentile 71.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (4)
whatsapp/whatsapp < 2.20.17
whatsapp/whatsapp < 2.20.20
whatsapp/whatsapp_business < 2.20.20
whatsapp/whatsapp_business < 2.20.7
Published Sep 03, 2020
Tracked Since Feb 18, 2026