Vulnerability Name:

CVE-2021-30745 (CCN-202183)

Assigned:2021-05-20
Published:2021-05-20
Updated:2021-05-20
Summary:Apple macOS could allow a local authenticated attacker to gain elevated privileges on the system, caused by type confusion flaw in the QuartzCore Framework. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges and execute arbitrary code in the context of WindowServer.
CVSS v3 Severity:7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.0 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-30745

Source: XF
Type: UNKNOWN
apple-macos-cve202130745-priv-esc(202183)

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

Source: CCN
Type: ZDI-21-597
Apple macOS QuartzCore Type Confusion Privilege Escalation Vulnerability

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:apple:macos_catalina:10.15.7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple macos catalina 10.15.7