Vulnerability Name:

CVE-2020-3838 (CCN-175192)

Assigned:2019-12-18
Published:2020-01-28
Updated:2021-04-30
Summary:The issue was addressed with improved permissions logic. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. An application may be able to execute arbitrary code with system privileges.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-276
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-3838

Source: FULLDISC
Type: Third Party Advisory
20210427 APPLE-SA-2021-04-26-3 Security Update 2021-002 Catalina

Source: XF
Type: UNKNOWN
apple-tvos-cve20203838-priv-esc(175192)

Source: CCN
Type: Apple security document HT210920
About the security content of tvOS 13.3.1

Source: CCN
Type: Apple security document HT210921
About the security content of watchOS 6.1.2

Source: CCN
Type: Apple security document HT212326
About the security content of Security Update 2021-002 Catalina

Source: CCN
Type: Apple security document HT212327
About the security content of Security Update 2021-003 Mojave

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/HT210918

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/HT210919

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/HT210920

Source: MISC
Type: Release Notes, Vendor Advisory
https://support.apple.com/HT210921

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/kb/HT212326

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/kb/HT212327

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 13.3.1)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 13.3.1)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.14.6)
  • OR cpe:/o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 13.3.1)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 6.1.2)
  • OR cpe:/o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version >= 10.15 and < 10.15.3)

  • Configuration CCN 1:
  • cpe:/o:apple:tvos:13.3:*:*:*:*:*:*:*
  • OR cpe:/o:apple:watchos:6.1.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple ipados *
    apple iphone os *
    apple mac os x *
    apple mac os x 10.14.6 -
    apple mac os x 10.14.6 security_update_2019-001
    apple mac os x 10.14.6 security_update_2019-002
    apple mac os x 10.14.6 security_update_2020-001
    apple mac os x 10.14.6 security_update_2020-002
    apple mac os x 10.14.6 security_update_2020-003
    apple mac os x 10.14.6 security_update_2020-004
    apple mac os x 10.14.6 security_update_2020-005
    apple mac os x 10.14.6 security_update_2020-006
    apple tvos *
    apple watchos *
    apple mac os x 10.14.6 supplemental_update
    apple mac os x 10.14.6 supplemental_update_2
    apple mac os x 10.14.6 security_update_2020-007
    apple mac os x 10.14.6 security_update_2021-001
    apple mac os x 10.14.6 security_update_2021-002
    apple mac os x *
    apple tvos 13.3
    apple watchos 6.1.1