Vulnerability · Published Sep 8, 2021 · Assigned by apple

CVE-2021-1857

Medium 6.5

In plain English

A medium-severity security flaw in iCloud for Windows 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 69% of all known vulnerabilities).

Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.2%top 31.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may disclose sensitive user information.

Affected products (as reported)

VendorProductVersions
Apple iOS and iPadOS unspecified – before 14.5
Apple iTunes for Windows unspecified – before 12.11
Apple iCloud for Windows unspecified – before 12.3
Apple tvOS unspecified – before 14.5
Apple watchOS unspecified – before 7.4
Apple macOS unspecified – before 11.3
Apple macOS unspecified – before 2021
Apple macOS unspecified – before 2021

References