CVE-2020-1910

Out-of-bounds memory access via image filters

Published Feb 2, 2021 · Updated Aug 4, 2024

Out-of-bounds read and write in WhatsApp for Android before 2.21.1.13 allow remote attackers to corrupt memory via crafted image filters. The image-filter processing path omits a bounds check when a specially crafted image is filtered and sent. Exploitation requires a user to apply the specific filters and send the resulting image, with consequences including memory disclosure or corruption and possible application compromise.

CVSS severity7.8
High
EPSS probability5.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds read and write in WhatsApp for Android before 2.21.1.13 allow remote attackers to corrupt memory via crafted image filters. The image-filter processing path omits a bounds check when a specially crafted image is filtered and sent. Exploitation requires a user to apply the specific filters and send the resulting image, with consequences including memory disclosure or corruption and possible application compromise.

The record

CVE
CVE-2020-1910
Published
Feb 2, 2021
Updated
Aug 4, 2024
Vendor
Meta Platforms, Inc.
Product
WhatsApp for Android
Classifications
CWE-787, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 2, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <v2.21.1.13

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Meta Platforms, Inc. · WhatsApp for Androidversion=unspecified <v2.21.1.13
Meta Platforms, Inc. · WhatsApp Business for Androidversion=unspecified <v2.21.1.13

Published CVSS scores

7.8NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8NVDAV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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