CVE-2025-55177 (GCVE-0-2025-55177)
Vulnerability from cvelistv5
Published
2025-08-29 15:50
Modified
2025-09-02 16:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Incorrect Authorization (CWE-863)
Summary
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.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve-assign@fb.com | https://www.facebook.com/security/advisories/cve-2025-55177 | Vendor Advisory | |
| cve-assign@fb.com | https://www.whatsapp.com/security/advisories/2025/ | Vendor Advisory |
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ | WhatsApp Desktop for Mac |
Version: 2.22.25.2 ≤ |
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|
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CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog
Date added: 2025-09-02
Due date: 2025-09-23
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Used in ransomware: Unknown
Notes: https://www.whatsapp.com/security/advisories/2025/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-55177
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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