Vulnerability · Published Sep 8, 2021 · Assigned by apple
CVE-2021-30703
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 0.3% (higher than 27% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 73.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212600 x_refsource_MISC
- https://support.apple.com/en-us/HT212603 x_refsource_MISC
- 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