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Vulnerability Intelligence Report
Apple Multiple Products Race Condition Vulnerability

CVE-2021-1782

A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..

CISA KEV SSVC: Active Exploitation
CVSS Base Score
7.0
HIGH
Exploitability:1.1
Impact Score:5.9
EPSS Probability:2.22%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Weaknesses (CWE)

CWE-667 ↗CWE-667 Improper Locking

Affected Products & Versions

Vendor Product Affected Versions
Apple iOS and iPadOS unspecified < 14.4 (affected)
Apple macOS unspecified < 11.2 (affected)
Apple macOS unspecified < 7.3 (affected)
Apple macOS unspecified < 14.4 (affected)

References & Technical Advisories

No reference links found.

Threat Intelligence Signals

CISA KEV
ACTIVE IN CATALOG
EPSS Score
2.222%

Identity & Timeline

StatusPUBLISHED
Assigning AuthorityApple Inc. · Vendor · USA
Reserved2020-12-08T00:00:00
Published2021-04-02T17:59:21
Last Updated2025-10-21T23:25:50

LINK COPIED TO CLIPBOARD