Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-30786

High 7.0

In plain English

A high-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 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS NVD)7.0High

Exploit odds (30 days)0.8%top 43.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A race condition was addressed with improved state handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.

Affected products (as reported)

Vendor	Product	Versions
Apple	iOS	unspecified – before 14.7
Apple	macOS	unspecified – before 11.5

References

https://support.apple.com/en-us/HT212601 x_refsource_MISC
https://support.apple.com/en-us/HT212602 x_refsource_MISC