High severity7.5NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026

CVE-2021-1849

Description

An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences.

AI Insight

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

Affected products

Apple Inc./tvOSllm-fuzzy2 versions
14.5+ 1 more
- (no CPE)range: 14.5
- (no CPE)range: unspecified
Apple Inc./macOSllm-fuzzy2 versions
Big Sur 11.3+ 1 more
- (no CPE)range: Big Sur 11.3
- (no CPE)range: unspecified
Apple Inc./Ipadosllm-fuzzy
Range: 14.5
Apple Inc./watchOSllm-fuzzy2 versions
7.4+ 1 more
- (no CPE)range: 7.4
- (no CPE)range: unspecified
Apple Inc./iOSllm-fuzzy
Range: 14.5
Apple Inc./iOS and iPadOScpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/en-us/HT212317nvdVendor Advisory
support.apple.com/en-us/HT212323nvdVendor Advisory
support.apple.com/en-us/HT212324nvdVendor Advisory
support.apple.com/en-us/HT212325nvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000