CVE-2020-1904: WhatsApp

Medium severity, CVSS 5.5. EPSS: 1.1% chance of exploitation in the next 30 days.

A path validation issue in WhatsApp for iOS prior to v2.20.61 and WhatsApp Business for iOS prior to v2.20.61 could have allowed for directory traversal overwriting files when sending specially crafted docx, xlsx, and pptx files as attachments to messages.

Affected products

• WhatsApp WhatsApp: before 2.20.61 (fixed in 2.20.61)
• WhatsApp WhatsApp Business: before 2.20.61 (fixed in 2.20.61)

Published 2020-10-06. Last modified 2026-06-17.