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Case File

CVE-2021-30840

HIGH · CVSS 7.8 EPSS 1.03% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-28 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
arbitrary code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-30840
Severity
HIGH
CVSS
7.8
EPSS
1.03%

Original NVD Description

This issue was addressed with improved checks. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted dfont file may lead to arbitrary code execution.