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CVE
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CVE-2021-1871Date: (C)2021-03-01   (M)2024-02-16


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..

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.8CVSS Score : 7.5
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
DSA-4923
FEDORA-2021-864dc37032
https://support.apple.com/en-us/HT212146
https://support.apple.com/en-us/HT212147

CPE    2
cpe:/o:apple:mac_os_x
cpe:/o:apple:mac_os_x:10.15.7:supplemental_update
OVAL    21
oval:org.secpod.oval:def:89045092
oval:org.secpod.oval:def:72096
oval:org.secpod.oval:def:89044296
oval:org.secpod.oval:def:119664
...

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