High severity7.8NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026
CVE-2021-30684
CVE-2021-30684
Description
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A remote attacker may cause an unexpected application termination or arbitrary code execution.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Range: <11.4
- Range: before Security Update 2021-003
- Range: unspecified
Patches
Vulnerability mechanics
References
2- support.apple.com/en-us/HT212529nvdVendor Advisory
- support.apple.com/en-us/HT212530nvdVendor Advisory
News mentions
0No linked articles in our index yet.