Vulnerability Name:

CVE-2021-30925 (CCN-222556)

Assigned:2021-08-24
Published:2021-08-24
Updated:2022-03-25
Summary:The issue was addressed with improved permissions logic. This issue is fixed in watchOS 8, macOS Big Sur 11.6, iOS 15 and iPadOS 15. A malicious application may be able to bypass Privacy preferences.
CVSS v3 Severity:9.1 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): None
4.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)
3.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/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): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): 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:L/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-863
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-30925

Source: XF
Type: UNKNOWN
apple-cve202130925-sec-bypass(222556)

Source: CCN
Type: Apple security document HT212804
About the security content of macOS Big Sur 11.6

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212804

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212814

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212819

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 15.0)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 15.0)
  • OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version < 11.6)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 8.0)

    • Configuration CCN 1:
  • cpe:/o:apple:iphone_os:15.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:watchos:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:macos_big_sur:11.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple ipados *
    apple iphone os *
    apple macos *
    apple watchos *
    apple iphone os 15.0
    apple watchos 8.0
    apple macos big sur 11.6