Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-1882

Critical 9.8

In plain English

A critical-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 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)1.7%top 22.8% 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 validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to gain elevated privileges.

Affected products (as reported)

Vendor	Product	Versions
Apple	iOS and iPadOS	unspecified – before 14.5
Apple	tvOS	unspecified – before 14.5
Apple	watchOS	unspecified – before 7.4
Apple	macOS	unspecified – before 11.3
Apple	macOS	unspecified – before 2021

References

https://support.apple.com/en-us/HT212317 x_refsource_MISC
https://support.apple.com/en-us/HT212323 x_refsource_MISC
https://support.apple.com/en-us/HT212324 x_refsource_MISC
https://support.apple.com/en-us/HT212325 x_refsource_MISC
https://support.apple.com/en-us/HT212326 x_refsource_MISC