Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-30687

Medium 5.5

In plain English

A medium-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 1.2% (higher than 68% of all known vulnerabilities).

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.2%top 32.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted image may lead to disclosure of user information.

Affected products (as reported)

VendorProductVersions
Apple iOS and iPadOS unspecified – before 14.6
Apple macOS unspecified – before 11.4
Apple macOS unspecified – before 2021
Apple macOS unspecified – before 2021
Apple macOS unspecified – before 14.6
Apple macOS unspecified – before 7.5

References