Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-30770

Medium 5.5

In plain English

A medium-severity security flaw in iOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS NVD)5.5Medium

Exploit odds (30 days)0.4%top 67.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.

Affected products (as reported)

Vendor	Product	Versions
Apple	iOS	unspecified – before 14.7
Apple	tvOS	unspecified – before 14.7
Apple	watchOS	unspecified – before 7.6

References

https://support.apple.com/en-us/HT212601 x_refsource_MISC
https://support.apple.com/en-us/HT212605 x_refsource_MISC
https://support.apple.com/en-us/HT212604 x_refsource_MISC