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CVE-2021-30665 is a high severity vulnerability with a CVSS score of 8.8. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.
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Lower probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. 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..
| Vendor | Product |
|---|---|
| Apple | Tvos |
| Apple | iPhone Os |
| Apple | macOS |
| Apple | Watchos |
| Apple | Ipados |