CVE-2021-1871 | Severity.io

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..

Related CPE's

Vulnerable

Vulnerable

o

apple

mac_os_x

4

Vulnerable

Vulnerable

Vulnerable

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/

Broken LinkMailing List

https://support.apple.com/en-us/HT212146

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212147

Release NotesVendor Advisory

https://www.debian.org/security/2021/dsa-4923

Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/

Broken LinkMailing List

https://support.apple.com/en-us/HT212146

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212147

Release NotesVendor Advisory

https://www.debian.org/security/2021/dsa-4923

Mailing ListThird Party Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1871

US Government Resource

Weaknesses

[email protected]

Primary

NVD-CWE-noinfo

CVSS impact metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.8 · Critical

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2021-04-02T17:15:20.663Z

4 years ago

Last modified

2025-10-23T16:01:41.567Z

3 months ago