High severity7.5NVD Advisory· Published Oct 19, 2021· Updated Jun 17, 2026

CVE-2021-30826

Description

A logic issue was addressed with improved state management. This issue is fixed in iOS 15 and iPadOS 15. In certain situations, the baseband would fail to enable integrity and ciphering protection.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./Ipados2 versions
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <15.0
- (no CPE)range: prior to 15
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <15.0
Apple Inc./iOSllm-fuzzy
Range: prior to 15
Apple Inc./iOS and iPadOScpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

seclists.org/fulldisclosure/2021/Oct/61nvdMailing ListThird Party Advisory
support.apple.com/en-us/HT212814nvdRelease NotesVendor Advisory
support.apple.com/kb/HT212807nvdRelease NotesVendor Advisory

News mentions

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