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CVE-2021-1782Apple Multiple Products Race Condition Vulnerability
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..
7.0 HIGHEPSS 2.22%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.0 | HIGH | 3.1NVD | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 6.9 | MEDIUM | 2.0NVD | AV:L/AC:M/Au:N/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due Nov 17, 2021
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2021-1782
- Status
- Analyzed
- Assigner (CNA)
- apple
- Published
- Apr 2, 2021
- Last modified
- 2026-06-17 03:32 UTC
Affected Products
As published by the CNA in the CVE record.
AppleiOS and iPadOS1 version range
- before 14.4
ApplemacOS1 version range
- before 11.2
ApplemacOS1 version range
- before 7.3
ApplemacOS1 version range
- before 14.4
References
- support.apple.com https://support.apple.com/en-us/HT212146
- support.apple.com https://support.apple.com/en-us/HT212147
- support.apple.com https://support.apple.com/en-us/HT212148
- support.apple.com https://support.apple.com/en-us/HT212149
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1782