Cyber Resilience

CVE-2025-30401

Medium

Published: 05 April 2025

Published
05 April 2025
Modified
09 April 2025
KEV Added
Patch
CVSS Score v3.1 6.7 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L
EPSS Score 0.0023 46.2th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-30401 is a medium-severity an unspecified weakness vulnerability in Whatsapp Whatsapp. Its CVSS base score is 6.7 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Masquerade File Type (T1036.008); ranked at the 46.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A spoofing issue in WhatsApp for Windows prior to version 2.2450.6 displayed attachments according to their MIME type but selected the file opening handler based on the attachment’s filename extension. A maliciously crafted mismatch could have caused the recipient to…

more

inadvertently execute arbitrary code rather than view the attachment when manually opening the attachment inside WhatsApp. We have not seen evidence of exploitation in the wild.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1036.008 Masquerade File Type Stealth
Adversaries may masquerade malicious payloads as legitimate files through changes to the payload's formatting, including the file’s signature, extension, icon, and contents.
T1204.002 Malicious File Execution
An adversary may rely upon a user opening a malicious file in order to gain execution.
T1566.003 Spearphishing via Service Initial Access
Adversaries may send spearphishing messages via third-party services in an attempt to gain access to victim systems.
Why these techniques?

The spoofing vulnerability enables file type masquerading (T1036.008) via MIME-extension mismatch, facilitating user execution of malicious files (T1204.002) when opened in WhatsApp, and supports spearphishing delivery via service attachments (T1566.003).

Affected Assets

whatsapp
whatsapp
≤ 2.2450.6

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References