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CVE-2021-1871

CVE information

Published

3 years ago

Last Modified

5 months ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

Critical

Impact Analysis

Description

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited...

CVSSv2.0 Score

Severity
High
Base Score
7.5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
6.4/10
Confidentiality Impact
Partial
Availability Impact
Partial
Integrity Impact
Partial

CVSSv3.1 Score

Severity
Critical
Base Score
9.8/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
5.9/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Unchanged
User Interaction
None

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:10.15.7:supplemental_update:*:*:*:*
  Yes
- -
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
  Yes
- 14.4
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
  Yes
- 14.4
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
  Yes
11.0.1 11.2
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:
  Yes
- -
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  Yes
- -