Vulnerability Name:

CVE-2020-27951 (CCN-193041)

Assigned:2020-12-14
Published:2020-12-14
Updated:2021-04-07
Summary:This issue was addressed with improved checks. This issue is fixed in watchOS 6.3, iOS 12.5, iOS 14.3 and iPadOS 14.3, watchOS 7.2. Unauthorized code execution may lead to an authentication policy violation.
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
6.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
5.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-27951

Source: XF
Type: UNKNOWN
apple-watchos-cve202027951-code-exec(193041)

Source: CCN
Type: Apple security document HT212003
About the security content of iOS 14.3 and iPadOS 14.3

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212003

Source: CCN
Type: Apple security document HT212004
About the security content of iOS 12.5

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212004

Source: CCN
Type: Apple security document HT212006
About the security content of watchOS 6.3

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212006

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212009

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:ipados:*:*:*:*:*:*:*:* (Version < 14.3)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 12.5)
  • OR cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version >= 14.0 and < 14.3)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version >= 6.0 and < 6.3)
  • OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version >= 7.0 and < 7.2)

  • Configuration CCN 1:
  • cpe:/o:apple:watchos:6.2.9:*:*:*:*:*:*:*
  • OR cpe:/o:apple:watchos:7.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:14.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ipados:14.2:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple ipados *
    apple iphone os *
    apple iphone os *
    apple watchos *
    apple watchos *
    apple watchos 6.2.9
    apple watchos 7.1
    apple ios 14.2
    apple ipados 14.2