CVE-2021-30902

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://support.apple.com/en-us/HT212868	Vendor Advisory
https://support.apple.com/en-us/HT212867	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipad_os::::::::
	cpe:2.3:o:apple:ipad_os:15.0:::::::*
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:iphone_os:15.0:::::::*

Information

Published : 2021-08-24 19:15

Updated : 2021-11-02 14:41

NVD link : CVE-2021-30902

Mitre link : CVE-2021-30902

JSON object : View

Products Affected

apple

iphone_os
ipad_os

CWE

CWE-416

Use After Free

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://support.apple.com/en-us/HT212868", "name": "https://support.apple.com/en-us/HT212868", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://support.apple.com/en-us/HT212867", "name": "https://support.apple.com/en-us/HT212867", "tags": ["Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-416"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-30902", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2021-08-24T19:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "14.8.1"}, {"cpe23Uri": "cpe:2.3:o:apple:ipad_os:15.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "14.8.1"}, {"cpe23Uri": "cpe:2.3:o:apple:iphone_os:15.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-11-02T14:41Z"}