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Vulnerability DatabaseCVE-2021-30855

CVE-2021-30855: 
macOS vulnerability analysis and mitigation

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. An application may be able to access restricted files.

Source: NVD

Related macOS vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-65346HIGH8.8
  • macOS logomacOS
  • ImageIO
NoYesAug 17, 2026
CVE-2026-65349MEDIUM6.6
  • macOS logomacOS
  • Kernel
NoYesAug 17, 2026
CVE-2026-65347MEDIUM6.5
  • macOS logomacOS
  • ImageIO
NoYesAug 17, 2026
CVE-2026-20679MEDIUM4.3
  • macOS logomacOS
  • CoreUI
NoYesAug 21, 2026
CVE-2026-65351MEDIUM4.3
  • Apple Safari logoApple Safari
  • WebKit
NoYesAug 17, 2026

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