CVE-2021-30663
high · 8.8Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply updates per vendor instructions.
Added 2021-11-03Remediation due 2021-11-17
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.
8.8
CVSS
3.5%
EPSS (exploit prob.)
89th
EPSS percentile
2021-09-08
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-190
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| apple | safari | < 14.1.1 |
| apple | ipados | >= 14.0, < 14.5.1 |
| apple | iphone_os | < 12.5.3 |
| apple | iphone_os | >= 14.0, < 14.5.1 |
| apple | macos | >= 11.0, < 11.3.1 |
| apple | tvos | < 14.6 |
Check a specific version with /api/v1/cve/match.
References
- https://support.apple.com/en-us/HT212335
- https://support.apple.com/en-us/HT212336
- https://support.apple.com/en-us/HT212341
- https://support.apple.com/en-us/HT212532
- https://support.apple.com/en-us/HT212534
- https://support.apple.com/en-us/HT212335
- https://support.apple.com/en-us/HT212336
- https://support.apple.com/en-us/HT212341
- https://support.apple.com/en-us/HT212532
- https://support.apple.com/en-us/HT212534
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30663
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2021-30663