by Kastro
Paper/Archive/CVE-2021-1770

CVE-2021-1770

Apple iOS and iPadOS — A buffer overflow may result in arbitrary code execution.

EPSS 3%CVSS 9.8
critical.is priorityof 100
47
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 86.2.862 × 2017.2No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

A buffer overflow may result in arbitrary code execution. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A logic issue was addressed with improved state management.

Affected

ProductAffectedFixed inSource
iOS and iPadOSunspecified – < 14.514.5CNA
tvOSunspecified – < 14.514.5CNA
watchOSunspecified – < 7.47.4CNA
macOSunspecified – < 11.311.3CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refsupport.apple.com/en-us/HT212317refsupport.apple.com/en-us/HT212323refsupport.apple.com/en-us/HT212324refsupport.apple.com/en-us/HT212325