Vulnerability · Published Sep 3, 2020 · Assigned by facebook

CVE-2020-1891

Critical 9.8

In plain English

A critical-severity out-of-bounds write in WhatsApp Android from Facebook. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.5%top 25.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Facebook WhatsApp Android 2.20.17unspecified – before 2.20.17
Facebook WhatsApp Business for Android 2.20.7unspecified – before 2.20.7
Facebook WhatsApp iPhone 2.20.20unspecified – before 2.20.20
Facebook WhatsApp Business for iPhone 2.20.20unspecified – before 2.20.20

Weakness: CWE-787

References