Vulnerability · Published Sep 8, 2021 · Assigned by apple
CVE-2021-30736
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 76% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.6%top 23.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An application may be able to execute arbitrary code with kernel privileges.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212528 x_refsource_MISC
- https://support.apple.com/en-us/HT212529 x_refsource_MISC
- https://support.apple.com/en-us/HT212532 x_refsource_MISC
- https://support.apple.com/en-us/HT212533 x_refsource_MISC