CVE-2020-1904

Name: CVE-2020-1904
Creator: NVD / NIST
Published: 2020-10-06T18:15:16.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.10%

Last modified Jun 17, 2026

CVE-2020-1904 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

1.10%

61.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Whatsapp	Whatsapp	< 2.20.61
Whatsapp	Whatsapp Business	< 2.20.61

References

https://www.whatsapp.com/security/advisories/2020/Vendor Advisory
https://www.whatsapp.com/security/advisories/2020/Vendor Advisory

Timeline

Published: Oct 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1904?

How severe is CVE-2020-1904?

CVE-2020-1904 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1904?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1904?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST