vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2020-1894

HIGH
8.8
CVSS Score
Published: September 3, 2020 at 09:10 PM UTC
Updated: June 17, 2026 at 03:02 AM UTC
2 products affected across 1 vendorWhatsAppWhatsapp Business

Using WhatsApp Android by Facebook?

Get instant alerts when new vulnerabilities affect WhatsApp Android - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.8
Exploit prediction
EPSS 2%

Description

A stack write overflow in WhatsApp for Android prior to v2.20.35, WhatsApp Business for Android prior to v2.20.20, WhatsApp for iPhone prior to v2.20.30, and WhatsApp Business for iPhone prior to v2.20.30 could have allowed arbitrary code execution when playing a specially crafted push to talk message.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

WhatsApp· Whatsapp
95%
v < 2.20.30v < 2.20.352.20.302.20.35
Affected range stops below 2.20.30, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.20.35, so it looks safe — our inference, not a vendor statement
Whatsapp Business· Whatsapp
95%
v < 2.20.20v < 2.20.302.20.202.20.30
Affected range stops below 2.20.20, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.20.30, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.whatsapp.com/security/advisories/2020

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card