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CVE-2021-1871

Date: April 2, 2021

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..

Severity Score

Related Resources (10)

https://security-tracker.debian.org/tracker/CVE-2021-1871
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-1871
https://security.alpinelinux.org/vuln/CVE-2021-1871
https://support.apple.com/en-us/HT212146
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
https://support.apple.com/en-us/HT212147
https://www.debian.org/security/2021/dsa-4923
https://access.redhat.com/security/cve/CVE-2021-1871
https://nvd.nist.gov/vuln/detail/CVE-2021-1871
https://www.mend.io/vulnerability-database/CVE-2021-1871

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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