Vulnerability Name:

CVE-2020-27938 (CCN-195945)

Assigned:2020-10-27
Published:2021-02-01
Updated:2021-04-07
Summary:A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A malicious application may be able to elevate 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: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
6.8 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-269
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2020-27938

Source: XF
Type: UNKNOWN
apple-macos-cve202027938-priv-esc(195945)

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212011

Source: CCN
Type: Apple security document HT212147
About the security content of macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212147

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 11.2.0)

    • Configuration 2:
  • cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 11.1.0)

    • Configuration CCN 1:
  • cpe:/o:apple:macos_catalina:10.15.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple mac os x *
    apple mac os x *
    apple macos catalina 10.15.6