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CVE-2021-1844

CVE information

Published

3 years ago

Last Modified

5 months ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

High

Impact Analysis

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Description

A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 14.4.1 and iPadOS 14.4.1, Safari 14.0.3 (v. 14610.4.3.1.7 and 15610.4.3.1.7), watchOS 7.3.2, macOS Big Sur 11.2.3. Processing maliciously crafted web content may lead to arbitrary 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
8.8/10
Exploit Score
2.8/10
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
Required

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
  Yes
- 14.0.3
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
  Yes
- 14.4.1
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
  Yes
- 7.3.2
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
  Yes
- 14.5
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
  Yes
- 11.2.3
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
  Yes
- 14.4.1
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  Yes
- -

References