AEGLIX vulnerability intelligence
CVE-2021-1782
HIGH · CVSS 7.0 · Analyzed
Published: 2021-04-02 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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..
Severity and scoring
- CVSS score
- 7.0 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-667
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Apple · Multiple Products
- Added to catalog
- 2021-11-03
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2021-11-17
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Before (exclusive): 14.4
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Before (exclusive): 14.4
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
From (inclusive): 10.14
Before (exclusive): 10.14.6
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
From (inclusive): 10.15
Before (exclusive): 10.15.7
cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
From (inclusive): 11.0
Before (exclusive): 11.2
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Before (exclusive): 14.4
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Before (exclusive): 7.3
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://support.apple.com/en-us/HT212146
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212147
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212148
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212149
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212146
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212147
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212148
Release Notes · Vendor Advisory
- https://support.apple.com/en-us/HT212149
Release Notes · Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1782
US Government Resource