7
CVE-2021-1782
- EPSS 8.05%
- Published 02.04.2021 18:15:21
- Last modified 28.02.2025 14:44:48
- Source product-security@apple.com
- Teams watchlist Login
- Open Login
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..
Data is provided by the National Vulnerability Database (NVD)
03.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog
Apple Multiple Products Race Condition Vulnerability
VulnerabilityApple iOS, iPadOs, macOS, watchOS, and tvOS contain a race condition vulnerability that may allow a malicious application to elevate privileges.
DescriptionApply updates per vendor instructions.
Required actions| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 8.05% | 0.918 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 7 | 1 | 5.9 |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 6.9 | 3.4 | 10 |
AV:L/AC:M/Au:N/C:C/I:C/A:C
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 7 | 1 | 5.9 |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
|
CWE-667 Improper Locking
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.