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Case File

CVE-2021-30809

HIGH · CVSS 8.8 EPSS 1.39% Public Exploit

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

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references.

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-2021-30809
Severity
HIGH
CVSS
8.8
EPSS
1.39%

Original NVD Description

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary code execution.

Related CVEs

Other vulnerabilities affecting the same vendor(s)