SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-1857

Processing maliciously crafted web content may disclose sensitive user information.

MEDIUM 6.5EPSS 1.22%

Does this matter?

Lower severity and a low EPSS score (1.22%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
1.22% probability · 67th percentile
CISA KEV
Not listed
Weakness
CWE-665
Affected
apple/icloud · apple/itunes · apple/ipados · apple/iphone os · apple/mac os x · apple/macos · apple/tvos · apple/watchos
Source
product-security@apple.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.