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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2025-0075
Spoofing Vulnerability in WhatsApp Desktop for Windows

Original Issue Date:April 09, 2025

Severity Rating: HIGH

Software Affected

  • WhatsApp Desktop for Windows versions prior to 2.2450.6

Overview

A vulnerability has been reported in WhatsApp Desktop for Windows, which could allow an attacker to execute arbitrary code or perform spoofing attacks on the targeted system.

Target Audience:
End-users using WhatsApp for Desktop

Risk Assessment:
High risk of unauthorized access, data theft or gain control of affected windows system.

Impact Assessment:
Potential of unauthorized access or execute arbitrary code.

Description

WhatsApp is a messaging app that allows users to send texts, voice messages, make calls, and share media over the internet. It uses end-to-end encryption for privacy and works on both mobile and desktop platforms.

The vulnerability exists due to misconfiguration between the MIME type and file extension, leading to improper handling of attachment openings. An attacker could exploit this vulnerability by crafting malicious attachment which could execute arbitrary code when opened manually within WhatsApp.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code or perform spoofing attacks on the targeted system.

Solution

Apply appropriate updates as mentioned in the WhatsApp updates:
https://www.whatsapp.com/security/advisories/2025

Vendor Information

WhatsApp
https://www.whatsapp.com/security/advisories/2025

References

WhatsApp
https://www.whatsapp.com/security/advisories/2025

CVE Name
CVE-2025-30401

Disclaimer

The information provided herein is on "as is" basis, without warranty of any kind.

Contact Information

Email: info@cert-in.org.in
Phone: +91-11-22902657

Postal address

Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India

 
Indian Computer Emergency Response Team - CERT-In, Ministry of Electronics and Information Technology, Government of India.
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