Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-1740

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 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.0%top 35.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A parsing issue in the handling of directory paths was addressed with improved path 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. A local user may be able to modify protected parts of the file system.

Affected products (as reported)

VendorProductVersions
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