CVE-2025-55177
Facebook · published 2025-08-29
Source record Collected from the National Vulnerability Database (NVD)
CISA Known Exploited Vulnerabilities
CISA lists this CVE as known exploited (added 2025-09-02).
- CISA's name for it: Meta Platforms WhatsApp Incorrect Authorization Vulnerability
- CISA's 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.
- Known ransomware campaign use, per CISA: Unknown
Source: CISA KEV catalog (CC0 1.0).
Description
Description by Facebook, Inc. via the CVE Program.
Incomplete authorization of linked device synchronization messages in WhatsApp for iOS prior to v2.25.21.73, WhatsApp Business for iOS v2.25.21.78, and WhatsApp for Mac v2.25.21.78 could have allowed an unrelated user to trigger processing of content from an arbitrary URL on a target’s device. We assess that this vulnerability, in combination with an OS-level vulnerability on Apple platforms (CVE-2025-43300), may have been exploited in a sophisticated attack against specific targeted users.
Status at the source
- NVD status: Analyzed
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| WhatsApp Desktop for Mac | 2.22.25.2 – before 2.25.21.78: affected | |
| WhatsApp Business for iOS | 2.22.25.2 – before 2.25.21.78: affected | |
| WhatsApp for iOS | 2.22.25.2 – before 2.25.21.73: affected |
Products named in NVD's CPE match criteria (2)
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:*cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:iphone_os:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 5.4 MEDIUM — as published by Facebook, Inc. (Secondary)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: active · Automatable: no · Technical impact: total
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://www.facebook.com/security/advisories/cve-2025-55177
- https://www.whatsapp.com/security/advisories/2025/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-55177
Source dates: published 2025-08-29, last changed 2026-10-08. DeSpy's copy of this version is dated 2026-10-08.
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