CVE-2021-1782

CVSS V2 Medium 6.9 CVSS V3 High 7
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..
Overview
  • CVE ID
  • CVE-2021-1782
  • Assigner
  • product-security@apple.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-02T18:15:21
  • Last Modified Date
  • 2021-04-09T18:08:49
Weakness Enumerations
CWE URL
CWE-362 http://cwe.mitre.org/data/definitions/362.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 1 OR 14.4
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 1 OR 14.4
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* 1 OR 10.14 10.14.6
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* 1 OR 10.15 10.15.7
cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 11.0 11.2
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* 1 OR 14.4
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* 1 OR 7.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://support.apple.com/en-us/HT212146 Release Notes Vendor Advisory
https://support.apple.com/en-us/HT212149 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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-1782
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1782
History
Created Old Value New Value Data Type Notes
2022-05-10 07:16:21 Added to TrackCVE
2022-12-06 01:02:15 2021-04-02T18:15Z 2021-04-02T18:15:21 CVE Published Date updated
2022-12-06 01:02:15 2021-04-09T18:08:49 CVE Modified Date updated
2022-12-06 01:02:15 Analyzed Vulnerability Status updated