Vulnerability Analysis
CVE-2021-30663
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.
CISA KEV
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
Temporal Score:-
EPSS:3.47%
Threat Intelligence Signals
CISA KEV
YES
KEV Date Added
2021-11-03
Ransomware Use
Unknown
KEV Due Date
2021-11-17
VulnCheck In-the-Wild
No
Nuclei Template
No
EPSS Score
3.469%
EPSS Percentile
87.6th pct
GHSA ID
GitHub Severity
HIGH
SSVC Exploitation
—
SSVC Automatable
—
Vulnerability Class
—
Identity & Timeline
| Status | - |
| Assigning Authority | - |
| CVSS Version / Source | - |
| Reserved | - |
| Published | - |
| Patch Date (date_public) | - |
| Exploit DB Date | - |
| First GitHub PoC Date | - |
| Last Updated | - |
| Time to Patch (Days to fix) | - |
| Exploit Release Gap | - |
| PoC Release Gap | - |
| Exploit DB References | None identified |
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
Social Buzz