VULNERABILITY INTELLIGENCE
CVE-2021-1782
CVSS score7 HIGH
EPSS probability2.22%
CISA KEVKnown exploited vulnerability
Published2021-04-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Known Exploited Vulnerability
Apple Multiple Products Race Condition Vulnerability
Vendor / product: Apple / Multiple Products
Description
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..
Weakness classification
- nvd@nist.gov: CWE-667
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-667
Primary references
- product-security@apple.com — Release Notes, Vendor Advisory
- product-security@apple.com — Release Notes, Vendor Advisory
- product-security@apple.com — Release Notes, Vendor Advisory
- product-security@apple.com — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource