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CVE-2021-1747

CVE information

Published

2 years ago

Last Modified

2 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

High

Impact Analysis

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing maliciously crafted web content may lead to code execution..

CVSSv2.0 Score

Severity
Medium
Base Score
6.8/10
Exploit Score
8.6/10
Access Vector
Network
Access Complexity
Medium
Authentication Required
None
Impact Score
6.4/10
Confidentiality Impact
Partial
Availability Impact
Partial
Integrity Impact
Partial

CVSSv3.1 Score

Severity
High
Base Score
7.8/10
Exploit Score
1.8/10
Access Vector
Local
Access Complexity
Low
Privileges Required
None
Impact Score
5.9/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Unchanged
User Interaction
Required

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
  Yes
10.15 10.15.7
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
  Yes
10.14 10.14.6
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:
  Yes
- -
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
  Yes
- 14.4
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
  Yes
- 14.4
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
  Yes
- 14.4
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
  Yes
- 7.3
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
  Yes
11.0 11.2