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CVE-2021-1821

🗓️ 22 May 2025 19:04:45Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 5 Views

Logic issue fixed in watchOS 7.6 and macOS Big Sur 11.5, preventing denial of service attack.

Related
Refs
ReporterTitlePublishedViews
Family
Apple
About the security content of watchOS 7.6
19 Jul 202100:00
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About the security content of iOS 14.6 and iPadOS 14.6
24 May 202100:00
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About the security content of macOS Big Sur 11.5
21 Jul 202100:00
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Circl
CVE-2021-1821
28 Oct 202122:17
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CNNVD
Apple watchOS 安全漏洞
21 Jul 202100:00
cnnvd
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28 Oct 202118:16
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CVE-2021-1821
28 Oct 202118:16
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EUVD
EUVD-2021-7285
3 Oct 202520:07
euvd
Tenable Nessus
macOS 11.x < 11.5 Multiple Vulnerabilities (HT212602)
23 Jul 202100:00
nessus
NVD
CVE-2021-1821
28 Oct 202119:15
nvd
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27 Mar 2026 15:05Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5
CVSS 27.1
EPSS0.00637
5