CVE-2025-30401

MEDIUMCVSS 6.7/10EPSS 15.84%

Last modified

CVE-2025-30401 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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 inadvertently execute arbitrary code rather than view the attachment when manually opening the attachment inside WhatsApp. EPSS estimates a 15.84% chance of exploitation in the next 30 days.

Description

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 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.

Metrics

CVSS 3.1
6.7/10

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

EPSS Probability
15.84%

96.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
WhatsappWhatsapp< 2.2450.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2025-30401?
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 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.
How severe is CVE-2025-30401?
CVE-2025-30401 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 15.84% probability of exploitation in the next 30 days.
How do I fix CVE-2025-30401?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-30401?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST