AUGUST 4, 2026
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Case File

CVE-2021-1771

LOW · CVSS 3.3 EPSS 0.55%

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

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-1771
Severity
LOW
CVSS
3.3
EPSS
0.55%

Original NVD Description

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. A user that is removed from an iMessage group could rejoin the group.