CVE-2021-1849 (GCVE-0-2021-1849)
Vulnerability from cvelistv5 – Published: 2021-09-08 14:44 – Updated: 2024-08-03 16:25
VLAI
Summary
An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences.
Severity
7.5 (High)
CWE
- A malicious application may be able to bypass Privacy preferences
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://support.apple.com/en-us/HT212317 | x_refsource_MISC |
| https://support.apple.com/en-us/HT212323 | x_refsource_MISC |
| https://support.apple.com/en-us/HT212324 | x_refsource_MISC |
| https://support.apple.com/en-us/HT212325 | x_refsource_MISC |
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T16:25:05.722Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://support.apple.com/en-us/HT212317"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://support.apple.com/en-us/HT212323"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://support.apple.com/en-us/HT212324"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://support.apple.com/en-us/HT212325"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "iOS and iPadOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "14.5",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "tvOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "14.5",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "watchOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "7.4",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "macOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "11.3",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "A malicious application may be able to bypass Privacy preferences",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-09-08T14:44:45.000Z",
"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"shortName": "apple"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://support.apple.com/en-us/HT212317"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://support.apple.com/en-us/HT212323"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://support.apple.com/en-us/HT212324"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://support.apple.com/en-us/HT212325"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "product-security@apple.com",
"ID": "CVE-2021-1849",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "iOS and iPadOS",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "14.5"
}
]
}
},
{
"product_name": "tvOS",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "14.5"
}
]
}
},
{
"product_name": "watchOS",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "7.4"
}
]
}
},
{
"product_name": "macOS",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "11.3"
}
]
}
}
]
},
"vendor_name": "Apple"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "A malicious application may be able to bypass Privacy preferences"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://support.apple.com/en-us/HT212317",
"refsource": "MISC",
"url": "https://support.apple.com/en-us/HT212317"
},
{
"name": "https://support.apple.com/en-us/HT212323",
"refsource": "MISC",
"url": "https://support.apple.com/en-us/HT212323"
},
{
"name": "https://support.apple.com/en-us/HT212324",
"refsource": "MISC",
"url": "https://support.apple.com/en-us/HT212324"
},
{
"name": "https://support.apple.com/en-us/HT212325",
"refsource": "MISC",
"url": "https://support.apple.com/en-us/HT212325"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"assignerShortName": "apple",
"cveId": "CVE-2021-1849",
"datePublished": "2021-09-08T14:44:45.000Z",
"dateReserved": "2020-12-08T00:00:00.000Z",
"dateUpdated": "2024-08-03T16:25:05.722Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-1849",
"date": "2026-06-07",
"epss": "0.00154",
"percentile": "0.35924"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-1849\",\"sourceIdentifier\":\"product-security@apple.com\",\"published\":\"2021-09-08T15:15:11.150\",\"lastModified\":\"2024-11-21T05:45:13.640\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences.\"},{\"lang\":\"es\",\"value\":\"Se abord\u00f3 un problema en la comprobaci\u00f3n de firmas de c\u00f3digo con comprobaciones mejoradas. Este problema se corrigi\u00f3 en macOS Big Sur versi\u00f3n 11.3, iOS versi\u00f3n 14.5 e iPadOS versi\u00f3n 14.5, watchOS versi\u00f3n 7.4, tvOS versi\u00f3n 14.5. Una aplicaci\u00f3n maliciosa puede ser capaz de omitir las preferencias de privacidad\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-347\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"14.5\",\"matchCriteriaId\":\"3EAAE2C1-EF21-4567-99F1-335D1EF955D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"14.5\",\"matchCriteriaId\":\"C1E12568-6F17-458F-8216-3D6DBC8F6DEE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"11.0\",\"versionEndExcluding\":\"11.3\",\"matchCriteriaId\":\"4E699CCC-31F5-458E-A59C-79B3AF143747\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"14.5\",\"matchCriteriaId\":\"D5B77841-F161-47AB-8043-3E0346E3AA25\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"7.4\",\"matchCriteriaId\":\"CFFFE00C-0AA6-4F60-ABF4-E68877BFD8F8\"}]}]}],\"references\":[{\"url\":\"https://support.apple.com/en-us/HT212317\",\"source\":\"product-security@apple.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://support.apple.com/en-us/HT212323\",\"source\":\"product-security@apple.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://support.apple.com/en-us/HT212324\",\"source\":\"product-security@apple.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://support.apple.com/en-us/HT212325\",\"source\":\"product-security@apple.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://support.apple.com/en-us/HT212317\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://support.apple.com/en-us/HT212323\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://support.apple.com/en-us/HT212324\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://support.apple.com/en-us/HT212325\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
Loading…
Loading…