SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-1820

Processing maliciously crafted web content may result in the disclosure of process memory.

MEDIUM 6.5EPSS 1.34%

Does this matter?

Lower severity and a low EPSS score (1.34%). 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 macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.

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
1.34% probability · 70th percentile
CISA KEV
Not listed
Weakness
CWE-665
Affected
apple/ipados · apple/iphone os · apple/macos · apple/tvos · apple/watchos
Source
product-security@apple.com

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