SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-1884

A race condition was addressed with improved locking.

MEDIUM 5.9EPSS 1.62%

Does this matter?

Lower severity and a low EPSS score (1.62%). Track it; it rarely justifies an emergency change on its own.

Description

A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. A remote attacker may be able to cause a denial of service.

CVSS 3.1
5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.62% probability · 75th percentile
CISA KEV
Not listed
Weakness
CWE-362
Affected
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.