VIR Vulnerability Intelligence Relay

CVE-2025-55177

unknown KEV
Published 2025-09-02 · Modified 2025-09-02
CVSS v3
—
CVSS v2
—
VIR risk
1.5

Description

Meta Platforms WhatsApp contains an incorrect authorization vulnerability due to an incomplete authorization of linked device synchronization messages. This vulnerability could allow an unrelated user to trigger processing of content from an arbitrary URL on a target’s device.

CISA KEV

Vendor
Meta Platforms
Product
WhatsApp
Due date
2025-09-23

Predictions

Exploit likelihood
99%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://www.whatsapp.com/security/advisories/2025/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-55177

Exploits

References

Verify integrity in audit chain (admin only). AS-IS.