CVE-2021-1884 — Race Condition in Apple IOS AND Ipados

CWE-362 — Race Condition7 documents4 sources
Severity
5.9MEDIUMNVD
EPSS
1.0%
top 22.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple MacosApple Tvos+4 more
Timeline
PublishedSep 8
Latest updateMay 24

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 vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages10 packages

▶CVEListV5apple/tvosunspecified — 14.5
▶NVDapple/tvos< 14.5
▶CVEListV5apple/macosunspecified — 11.3+1
▶NVDapple/macos11.0 — 11.3
▶NVDapple/ipados< 14.5

🔴Vulnerability Details

2
GHSA
GHSA-2v79-m39q-gmxx: A race condition was addressed with improved locking↗2022-05-24
▶
CVEList
CVE-2021-1884: A race condition was addressed with improved locking↗2021-09-08
▶

📋Vendor Advisories

4
Apple
CVE-2021-1884: Security Update 2021-004 Mojave↗2021-05-24
▶
Apple
CVE-2021-1884: Security Update 2021-003 Catalina↗2021-05-24
▶
Apple
CVE-2021-1884: macOS Big Sur 11.3↗2021-04-26
▶
Apple
CVE-2021-1884: iOS 14.5 and iPadOS 14.5↗2021-04-26
▶
CVE-2021-1884 — Race Condition in Apple IOS AND Ipados | cvebase