Buffer overflow in Apple Icloud

CVE-2020-27912

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. Processing a maliciously crafted image may lead to arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-27912?
CVE-2020-27912 is a high-severity vulnerability in Apple Icloud, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-12-08.
How severe is CVE-2020-27912?
High severity. CVSS v3 base score is 7.8 out of 10.