CVE-2021-30807
Summary
| CVE | CVE-2021-30807 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-10-19 14:15:00 UTC |
| Updated | 2023-08-08 14:21:00 UTC |
| Description | A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited. |
Risk And Classification
EPSS: 0.288390000 probability, percentile 0.979510000 (date 2026-07-22)
CISA KEV: Listed on 2021-11-03; due 2021-11-17; ransomware use Unknown
Problem Types: CWE-787
CISA Known Exploited Vulnerability
| Vendor | Apple |
|---|---|
| Product | Multiple Products |
| Name | Apple Multiple Products Memory Corruption Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | https://nvd.nist.gov/vuln/detail/CVE-2021-30807 |
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| About the security content of watchOS 7.6.1 - Apple Support | MISC | support.apple.com | |
| About the security content of macOS Big Sur 11.5.1 - Apple Support | MISC | support.apple.com | |
| About the security content of iOS 14.7.1 and iPadOS 14.7.1 - Apple Support | MISC | support.apple.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.