Vulnerability · Published Apr 2, 2021 · Assigned by apple

CVE-2021-1774

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 1.1% (higher than 65% of all known vulnerabilities).

Severity (CVSS NVD)7.8High

Exploit odds (30 days)1.1%top 34.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.

Affected products (as reported)

Vendor	Product	Versions
Apple	iOS and iPadOS	unspecified – before 14.4
Apple	macOS	unspecified – before 11.2
Apple	macOS	unspecified – before 7.3
Apple	macOS	unspecified – before 14.4

References

https://support.apple.com/en-us/HT212147 x_refsource_MISC
https://support.apple.com/en-us/HT212146 x_refsource_MISC
https://support.apple.com/en-us/HT212148 x_refsource_MISC
https://support.apple.com/en-us/HT212149 x_refsource_MISC