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.
CISA KEV Details
Status: This CVE is listed in CISA's Known Exploited Vulnerabilities catalog.
Ransomware use: Unknown
Added to KEV: 2021-11-03
Required action: Apply updates per vendor instructions.
CVE
CVE-2021-30663
Severity
HIGH
CVSS
8.8
EPSS
3.69%
Original NVD Description
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution.