CVE-2025-43437

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{"affected": [{"affectedData": [{"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "26.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D51AEDC-9086-4010-B3BF-C652D65D09C8", "versionEndExcluding": "26.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "3981A7BE-BC98-4C6F-AE38-D68839368925", "versionEndExcluding": "26.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An information disclosure issue was addressed with improved privacy controls. This issue is fixed in iOS 26.1 and iPadOS 26.1. An app may be able to fingerprint the user."}, {"lang": "es", "value": "Un problema de revelaci\u00f3n de informaci\u00f3n se abord\u00f3 con controles de privacidad mejorados. Este problema est\u00e1 solucionado en iOS 26.1 y iPadOS 26.1. Una aplicaci\u00f3n podr\u00eda crear una huella digital del usuario."}], "id": "CVE-2025-43437", "lastModified": "2026-10-07T20:10:01.970", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-43437", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-12-15T01:02:40.794733Z", "version": "2.0.3"}}]}, "published": "2025-12-12T21:15:54.313", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125632"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-27T22:36:06.378645+00:00", "value": {"mitigation_remediation": ["Update the device to iOS\u202f26.1 or iPadOS\u202f26.1 to obtain the fixed privacy controls.", "Revoke or limit any app permissions that allow access to device identifiers or sensitive data until a patch is applied.", "Continuously monitor installed applications for unusual behavior and remove or restrict those that appear to collect or transmit personal identifiers."], "summary": {"action": "Apply Patch", "impact": "Information disclosure leading to user fingerprinting"}, "threat_synthesis": {"affected_systems": "Apple iOS and iPadOS devices are affected. Versions prior to iOS\u202f26.1 and iPadOS\u202f26.1 are vulnerable; the issue is fixed in those releases.", "description_and_impact": "An application may exploit an information disclosure flaw that lets it fingerprint a user, potentially compromising the user's anonymity or enabling tracking. The weakness corresponds to CWE-200, indicating unauthorized access to sensitive data. The vulnerability does not allow execution of arbitrary code or denial of service but can be used to identify a device or user across contexts.", "risk_and_exploitability": "The CVSS score of 3.3 indicates a low severity level, and the EPSS score of less than 1% suggests a very low likelihood of exploitation. The vulnerability is not listed in CISA\u2019s KEV catalog. Likely attack vectors involve a local malicious or poorly designed application that runs on the device and abuses the privacy controls to collect identifying information."}}}}, "created": "2025-12-14T21:15:40.842303+00:00", "title": "App-Based User Fingerprinting via Information Disclosure", "updated": "2026-04-27T22:45:15.469026+00:00", "vendors": ["apple", "apple$PRODUCT$ios", "apple$PRODUCT$ipados"]}