Home / Vulnerabilities / CVE-2025-55177
MEDIUM SEVERITY
CVE-2025-55177 Meta Platforms · WhatsApp

Meta Platforms WhatsApp Incorrect Authorization Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM
5.4 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:F/RL:O/RC:C
Exploitation Likelihood

EPSS Prediction

1.22 %
Predictive Probability
Percentile Rank
78.7 th

Documented as more likely to be exploited than 78.7% of known CVEs.

Detection Date

Sep 02, 2025

Remediation Due

Sep 23, 2025

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence