Vulnerability CVE-2021-30667

Vulnerability Name:

CVE-2021-30667 (CCN-202351)

Assigned:

2021-05-24

Published:

2021-05-24

Updated:

2021-09-16

Summary:

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.6 and iPadOS 14.6. An attacker in WiFi range may be able to force a client to use a less secure authentication mechanism.

CVSS v3 Severity:

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

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

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

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

CVSS v2 Severity:

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

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

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

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

Vulnerability Type:

CWE-287

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2021-30667

Source: XF
Type: UNKNOWN
apple-ios-cve202130667sec-bypass(202351)

Source: CCN
Type: Apple security document HT212528
About the security content of iOS 14.6 and iPadOS 14.6

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT212528

Vulnerable Configuration:

Configuration 1:

cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 14.6)

OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 14.6)

Configuration CCN 1:

cpe:/o:apple:ipados:14.5:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:14.5:*:*:*:*:*:*:*

Denotes that component is vulnerable

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