Vulnerability Name:

CVE-2020-3918 (CCN-190391)

Assigned:2019-12-18
Published:2020-09-21
Updated:2020-10-29
Summary:An access issue was addressed with additional sandbox restrictions. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6.2. A local user may be able to view sensitive user information.
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
5.5 Medium (CCN 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 (CCN 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
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
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-Other
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2020-3918

Source: XF
Type: UNKNOWN
apple-macos-cve20203918-info-disc(190391)

Source: CCN
Type: Apple security document HT211100
About the security content of macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra

Source: MISC
Type: Vendor Advisory
https://support.apple.com/kb/HT211100

Source: MISC
Type: Vendor Advisory
https://support.apple.com/kb/HT211101

Source: MISC
Type: Vendor Advisory
https://support.apple.com/kb/HT211102

Source: MISC
Type: Vendor Advisory
https://support.apple.com/kb/HT211103

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 13.4)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 13.4)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.15.4)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 13.4)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 6.2)

  • Configuration CCN 1:
  • cpe:/o:apple:macos_catalina:10.15.3:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple ipad os *
    apple iphone os *
    apple mac os x *
    apple tvos *
    apple watchos *
    apple macos catalina 10.15.3