CVE-2021-30661
high · 8.8Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply updates per vendor instructions.
Added 2021-11-03Remediation due 2021-11-17
A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
8.8
CVSS
4.5%
EPSS (exploit prob.)
91st
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-416
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| apple | safari | < 14.1 |
| apple | ipados | < 14.5 |
| apple | iphone_os | < 12.5.3 |
| apple | iphone_os | >= 14.0, < 14.5 |
| apple | macos | >= 11.0, < 11.3 |
| apple | tvos | < 14.5 |
| apple | watchos | < 7.4 |
Check a specific version with /api/v1/cve/match.
References
- https://support.apple.com/en-us/HT212317
- https://support.apple.com/en-us/HT212318
- https://support.apple.com/en-us/HT212323
- https://support.apple.com/en-us/HT212324
- https://support.apple.com/en-us/HT212325
- https://support.apple.com/en-us/HT212341
- https://support.apple.com/en-us/HT212317
- https://support.apple.com/en-us/HT212318
- https://support.apple.com/en-us/HT212323
- https://support.apple.com/en-us/HT212324
- https://support.apple.com/en-us/HT212325
- https://support.apple.com/en-us/HT212341
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30661
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2021-30661