Vulnerability CVE-2021-30871

Vulnerability Name:

CVE-2021-30871 (CCN-212482)

Assigned:

2021-08-24

Published:

2021-08-24

Updated:

2021-11-01

Summary:

This issue was addressed with a new entitlement. This issue is fixed in iOS 14.7, watchOS 7.6, macOS Big Sur 11.5. A local attacker may be able to access analytics data.

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): None Availibility (A): None

CVSS v2 Severity:

2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

Vulnerability Type:

CWE-noinfo

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2021-30871

Source: XF
Type: UNKNOWN
apple-ios-cve202130871-info-disc(212482)

Source: CCN
Type: Apple security document HT212601
About the security content of iOS 14.7 and iPadOS 14.7

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212601

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212602

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212605

Vulnerable Configuration:

Configuration 1:

cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 14.7)

OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version < 11.5)

OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 7.6)

Configuration CCN 1:

cpe:/o:apple:iphone_os:14.6:*:*:*:*:*:*:*

OR cpe:/o:apple:ipados:14.6:*:*:*:*:*:*:*

Denotes that component is vulnerable

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