CVE-2021-30886

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. An application may be able to execute arbitrary code with kernel privileges.

CVSS v3 7.8 HIGH
CVSS v2.0 9.3 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://support.apple.com/en-us/HT212867
https://support.apple.com/en-us/HT212869
https://support.apple.com/en-us/HT212874
https://support.apple.com/en-us/HT212876

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:tvos::::::::
	cpe:2.3:o:apple:watchos::::::::

History

07 Nov 2023, 03:33

Type	Values Removed	Values Added
References	~~(MISC) https://support.apple.com/en-us/HT212867 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212867 -
References	~~(MISC) https://support.apple.com/en-us/HT212869 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212869 -
References	~~(MISC) https://support.apple.com/en-us/HT212876 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212876 -
References	~~(MISC) https://support.apple.com/en-us/HT212874 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212874 -

Information

Published : 2021-08-24 19:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-30886

Mitre link : CVE-2021-30886

CVE.ORG link : CVE-2021-30886

JSON object : View

Products Affected

apple

iphone_os
watchos
ipados
tvos
macos

CWE

CWE-416

Use After Free

{"id": "CVE-2021-30886", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/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, "exploitabilityScore": 1.8}]}, "published": "2021-08-24T19:15:16.763", "references": [{"url": "https://support.apple.com/en-us/HT212867", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT212869", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT212874", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/HT212876", "source": "product-security@apple.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. An application may be able to execute arbitrary code with kernel privileges."}, {"lang": "es", "value": "Se abord\u00f3 un problema de uso de memoria previamente liberada con una administraci\u00f3n de la memoria mejorada. Este problema se corrigi\u00f3 en macOS Monterey versi\u00f3n 12.0.1, iOS versi\u00f3n 15.1 y iPadOS versi\u00f3n 15.1, watchOS versi\u00f3n 8.1, tvOS versi\u00f3n 15.1. Una aplicaci\u00f3n puede ser capaz de ejecutar c\u00f3digo arbitrario con privilegios del kernel"}], "lastModified": "2023-11-07T03:33:42.057", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B93FE038-6BF4-484E-8BBC-6F4332DCE045", "versionEndExcluding": "15.1"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0E11B095-8786-478A-A6BA-82DED207426B", "versionEndExcluding": "15.1"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "579B2A0D-A84F-45C2-B545-35ECEA3297DA", "versionEndExcluding": "12.0.1"}, {"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9A76BB8B-613D-46B7-80F8-83B6EF76F344", "versionEndExcluding": "15.1"}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A82F66E5-A6BF-4D7A-8DCA-DD4C35723936", "versionEndExcluding": "8.1"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}