CVE-2021-30707
Status: ModifiedHigh (8.8)—
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted audio file may lead to arbitrary code execution.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Base score: 8.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.86%
- Percentile among all scored CVEs: 79
- Score date: 10/8/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (5)
CWEs
- CWE-120
References
- https://support.apple.com/en-us/HT212528
- https://support.apple.com/en-us/HT212529
- https://support.apple.com/en-us/HT212532
- https://support.apple.com/en-us/HT212533
- https://support.apple.com/en-us/HT212528
- https://support.apple.com/en-us/HT212529
- https://support.apple.com/en-us/HT212532
- https://support.apple.com/en-us/HT212533
Raw JSON (NVD)
Show
{
"id": "CVE-2021-30707",
"cveTags": [],
"metrics": {
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"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
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}
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"cvssMetricV31": [
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
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}
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},
"affected": [
{
"source": "product-security@apple.com",
"affectedData": [
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"versions": [
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"lessThan": "14.6",
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"published": "2021-09-08T15:15:15.643",
"references": [
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"tags": [
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"vulnStatus": "Modified",
"weaknesses": [
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"description": [
{
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"value": "CWE-120"
}
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],
"descriptions": [
{
"lang": "en",
"value": "This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted audio file may lead to arbitrary code execution."
},
{
"lang": "es",
"value": "Se abordó este problema con comprobaciones mejoradas. Este problema es corregido en macOS Big Sur versión 11.4, tvOS versión 14.6, watchOS versión 7.5, iOS versión 14.6 y iPadOS versión 14.6. El procesamiento de un archivo de audio diseñado maliciosamente puede conllevar a una ejecución de código arbitrario"
}
],
"lastModified": "2026-06-17T03:50:44.150",
"configurations": [
{
"nodes": [
{
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"cpeMatch": [
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"sourceIdentifier": "product-security@apple.com"
}