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Vulnerability record · CVE-2020-1910 · published 2 February 2021

CVE-2020-1910: Whatsapp out-of-bounds write vulnerability

Whatsapp · Whatsapp

A missing bounds check in WhatsApp for Android prior to v2.21.1.13 and WhatsApp Business for Android prior to v2.21.1.13 could have allowed out-of-bounds read and write if a user applied specific image filters to a specially crafted image and sent the resulting image.

7.8 CVSS 3.1 High EPSS 5.1% · top 7.9% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 6.8
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A missing bounds check in WhatsApp for Android prior to v2.21.1.13 and WhatsApp Business for Android prior to v2.21.1.13 could have allowed out-of-bounds read and write if a user applied specific image filters to a specially crafted image and sent the resulting image.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.whatsapp.com/security/advisories/2021/ Vendor Advisory
https://www.whatsapp.com/security/advisories/2021/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-1910), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.