CVE-2025-43521_CVE-2025-43521

5.5 / 10

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Description

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.3. An app may be able to access sensitive user data.

Basic Information

ID CVE-2025-43521

Source apple

Published Dec 12, 2025 at 20:56

Modified Dec 15, 2025 at 17:06

Affected Product

Vendor Apple

Product macOS

Version unspecified

Affected Versions Apple macOS unspecified

CWE Classification

CWE-347

References

support.apple.com /en-us/125887

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    "lastseen": "",
    "description": "A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.3. An app may be able to access sensitive user data.",
    "published": "2025-12-12T20:56:17.101Z",
    "modified": "2025-12-15T17:06:30.130Z",
    "type": "cve",
    "title": "CVE-2025-43521",
    "source": "apple",
    "references": "https://support.apple.com/en-us/125887",
    "id": "CVE-2025-43521",
    "bulletinFamily": "",
    "cwe": [
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    ],
    "cvelist": null,
    "sourceData": "Apple macOS unspecified",
    "sourceHref": "",
    "cvss": {
        "score": 5.5,
        "severity": "MEDIUM",
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        "version": "3.1"
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        "attackVector": "",
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        "privilegesRequired": "",
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        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "macOS",
    "version": "unspecified",
    "vendor": "Apple",
    "ai_description": "",
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    "ai_score": 0
}