AUGUST 4, 2026
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Case File

CVE-2021-1791

MEDIUM · CVSS 5.5 EPSS 1.21%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-02 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. See the original NVD description below for full technical details.

CVE
CVE-2021-1791
Severity
MEDIUM
CVSS
5.5
EPSS
1.21%

Original NVD Description

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to disclose kernel memory.

Related CVEs

Other vulnerabilities affecting the same vendor(s)