CVE-2025-55177 · netVigilance record NV25-0169
Meta Platforms WhatsApp Incorrect Authorization
past due
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2025-09-23 · passed 11 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Meta Platforms WhatsApp. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-863.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 11 months ago
Sources
- NVD entry for CVE-2025-55177 nvd.nist.gov/vuln/detail/CVE-2025-55177
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- whatsapp.com www.whatsapp.com/security/advisories/2025/
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2025-55177