Vulnerability · Published Aug 24, 2021 · Assigned by apple
CVE-2021-30916
High 7.8
In plain English
A high-severity security flaw in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 75% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.6%top 24.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | unspecified – before 15.1 |
| Apple | iOS and iPadOS | unspecified – before 14.8 |
| Apple | macOS | unspecified – before 12.0 |
| Apple | macOS | unspecified – before 2021 |
| Apple | macOS | unspecified – before 11.6 |
References
- https://support.apple.com/en-us/HT212869 x_refsource_MISC
- https://support.apple.com/en-us/HT212871 x_refsource_MISC
- https://support.apple.com/en-us/HT212872 x_refsource_MISC
- https://support.apple.com/en-us/HT212867 x_refsource_MISC
- https://support.apple.com/en-us/HT212868 x_refsource_MISC
- https://support.apple.com/kb/HT212975 x_refsource_CONFIRM
- https://support.apple.com/kb/HT212980 x_refsource_CONFIRM
- 20211217 APPLE-SA-2021-12-15-5 tvOS 15.2 mailing-list, x_refsource_FULLDISC
- 20211217 APPLE-SA-2021-12-15-6 watchOS 8.3 mailing-list, x_refsource_FULLDISC