Medium severity5.5NVD Advisory· Published Aug 24, 2021· Updated Jun 17, 2026
CVE-2021-30855
CVE-2021-30855
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4>= 10.15.7 (Catalina) < 11.6, ≥ 11.0 < 11.6+ 1 more
- (no CPE)range: >= 10.15.7 (Catalina) < 11.6, ≥ 11.0 < 11.6
- (no CPE)range: unspecified
- Range: >= 7.0 < 8.0
- Range: >= 14.0 < 14.8, ≥ 15.0 < 15.0
Patches
Vulnerability mechanics
References
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