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CVE-2021-1871

Common vulnerabilities & exposures (CVE)

CVE databaseCVE database blogpostRelease & EoL database
 
Published at: - 02-04-2021 09:15
Last modified: - 26-04-2022 07:26
Total changes: - 5

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..

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Low
Attack complexity
Network
Attack vector
High
Availability
High
Confidentiality
High
Integrity
None
Privileges required
Unchanged
Scope
None
User interaction
9.8
Base score
3.9
5.9
Exploitability score
Impact score
 

Verification logic

OR
OR
vendor=apple AND product=ipad_os AND versionEndExcluding=14.4
vendor=apple AND product=iphone_os AND versionEndExcluding=14.4
vendor=apple AND product=mac_os_x AND versionStartIncluding=10.15 AND versionEndExcluding=10.15.7
vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=-
vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=security_update_2020
vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=supplemental_update
vendor=apple AND product=macos AND versionStartIncluding=11.0.1 AND versionEndExcluding=11.2
OR
vendor=Debian AND product=debian_linux AND version=10.0
vendor=fedoraproject AND product=fedora AND version=33
 

Reference

 


Keywords

NVD

 

CVE-2021-1871

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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