Apple Multiple Products Memory Corruption Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH

7.8 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

21.03 %

Predictive Probability

Percentile Rank

95.7 th

Documented as more likely to be exploited than 95.7% of known CVEs.

Detection Date

Nov 03, 2021

Remediation Due

Nov 17, 2021

CISA Catalog Active

Threat Analysis

Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute code with kernel privileges.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2021-30807