CVE-2021-31000
Status: ModifiedLow (3.3)—
A permissions issue was addressed with improved validation. This issue is fixed in iOS 15.2 and iPadOS 15.2, watchOS 8.3, macOS Monterey 12.1, tvOS 15.2. A malicious application may be able to read sensitive contact information.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- Base score: 3.3
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.67%
- Percentile among all scored CVEs: 51
- 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-276
References
- https://support.apple.com/en-us/HT212975
- https://support.apple.com/en-us/HT212976
- https://support.apple.com/en-us/HT212978
- https://support.apple.com/en-us/HT212980
- https://support.apple.com/en-us/HT212975
- https://support.apple.com/en-us/HT212976
- https://support.apple.com/en-us/HT212978
- https://support.apple.com/en-us/HT212980
Raw JSON (NVD)
Show
{
"id": "CVE-2021-31000",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
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"type": "Primary",
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"cvssData": {
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"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "product-security@apple.com",
"affectedData": [
{
"vendor": "Apple",
"product": "watchOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "8.3",
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}
]
},
{
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],
"published": "2021-08-24T19:15:24.437",
"references": [
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"url": "https://support.apple.com/en-us/HT212975",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212976",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212978",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212980",
"source": "product-security@apple.com"
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{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212978",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212980",
"source": "af854a3a-2127-422b-91ae-364da2661108"
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],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-276"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A permissions issue was addressed with improved validation. This issue is fixed in iOS 15.2 and iPadOS 15.2, watchOS 8.3, macOS Monterey 12.1, tvOS 15.2. A malicious application may be able to read sensitive contact information."
},
{
"lang": "es",
"value": "Se ha solucionado un problema de permisos con una validación mejorada. Este problema se ha solucionado en iOS 15.2 y iPadOS 15.2, watchOS 8.3, macOS Monterey 12.1, tvOS 15.2. Una aplicación maliciosa puede ser capaz de leer información de contacto sensible"
}
],
"lastModified": "2026-06-17T03:51:17.360",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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{
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{
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"versionEndExcluding": "8.3"
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"operator": "OR"
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"sourceIdentifier": "product-security@apple.com"
}