FKIE_CVE-2025-55177
Vulnerability from fkie_nvd - Published: 2025-08-29 16:15 - Updated: 2025-10-24 14:14
Severity ?
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
{
"cisaActionDue": "2025-09-23",
"cisaExploitAdd": "2025-09-02",
"cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
"cisaVulnerabilityName": "Meta Platforms WhatsApp Incorrect Authorization Vulnerability",
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:*",
"matchCriteriaId": "AD89DE9C-CE23-499F-8436-3DA8B2A2ECF4",
"versionEndExcluding": "2.25.21.73",
"versionStartIncluding": "2.22.25.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:macos:*:*",
"matchCriteriaId": "CA1A1B3A-90A5-4EA1-AC4B-715127CE9DE7",
"versionEndExcluding": "2.25.21.78",
"versionStartIncluding": "2.22.25.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:iphone_os:*:*",
"matchCriteriaId": "5DE9273B-2DA9-4BCE-8840-CB0B63163646",
"versionEndExcluding": "2.25.21.78",
"versionStartIncluding": "2.22.25.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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\u2019s 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."
}
],
"id": "CVE-2025-55177",
"lastModified": "2025-10-24T14:14:08.077",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.5,
"source": "cve-assign@fb.com",
"type": "Secondary"
}
]
},
"published": "2025-08-29T16:15:36.723",
"references": [
{
"source": "cve-assign@fb.com",
"tags": [
"Vendor Advisory"
],
"url": "https://www.facebook.com/security/advisories/cve-2025-55177"
},
{
"source": "cve-assign@fb.com",
"tags": [
"Vendor Advisory"
],
"url": "https://www.whatsapp.com/security/advisories/2025/"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"US Government Resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-55177"
}
],
"sourceIdentifier": "cve-assign@fb.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-863"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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