Vulnerability Name:

CVE-2020-3917 (CCN-178519)

Assigned:2019-12-18
Published:2020-03-24
Updated:2022-07-12
Summary:This issue was addressed with a new entitlement. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, watchOS 6.2. An application may be able to use an SSH client provided by private frameworks.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/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): None
Integrity (I): High
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:N/I:L/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:N/I:L/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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-3917

Source: XF
Type: UNKNOWN
appleios-cve20203917-sec-bypass(178519)

Source: CCN
Type: Apple security document HT211101
About the security content of tvOS 13.4

Source: CCN
Type: Apple security document HT211102
About the security content of iOS 13.4 and iPadOS 13.4

Source: CCN
Type: Apple security document HT211103
About the security content of watchOS 6.2

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

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

Source: MISC
Type: Vendor Advisory
https://support.apple.com/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:tvos:*:*:*:*:*:*:*:* (Version < 13.4)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 6.2)

  • Configuration CCN 1:
  • cpe:/o:apple:watchos:6.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:13.3:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:13.3:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ipados:13.3:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple ipados *
    apple iphone os *
    apple tvos *
    apple watchos *
    apple watchos 6.1
    apple tvos 13.3
    apple ios 13.3
    apple ipados 13.3