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
—
Authentication
—
Weaponization
—
SSVC Action
—
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
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Apple Inc. · Vendor · USA |
| Reserved | 2020-12-08T00:00:00 |
| Published | 2021-04-02T17:59:21 |
| Last Updated | 2025-10-21T23:25:50 |
Community Chatter & Buzz