CVE-2021-30937

CVSS V2 High 9.3 CVSS V3 High 7.8
Description
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to execute arbitrary code with kernel privileges.
Overview
  • CVE ID
  • CVE-2021-30937
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-08-24T19:15:20
  • Last Modified Date
  • 2022-04-01T14:47:39
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 1 OR 15.2
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 1 OR 15.2
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* 1 OR 10.15 10.15.7
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-007:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 11.0 11.6.2
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 12.0 12.1
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* 1 OR 15.2
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* 1 OR 8.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9.3
  • Severity
  • HIGH
  • Exploitability Score
  • 8.6
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://support.apple.com/en-us/HT212975 Vendor Advisory
https://support.apple.com/en-us/HT212978 Vendor Advisory
https://support.apple.com/en-us/HT212979 Vendor Advisory
https://support.apple.com/en-us/HT212976 Vendor Advisory
https://support.apple.com/en-us/HT212981 Vendor Advisory
https://support.apple.com/en-us/HT212980 Vendor Advisory
http://packetstormsecurity.com/files/165475/XNU-inm_merge-Heap-Use-After-Free.html Exploit Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-30937
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30937
History
Created Old Value New Value Data Type Notes
2022-04-04 00:39:09 Added to TrackCVE
2022-12-05 08:56:54 2021-08-24T19:15Z 2021-08-24T19:15:20 CVE Published Date updated
2022-12-05 08:56:54 2022-04-01T14:47:39 CVE Modified Date updated
2022-12-05 08:56:54 Analyzed Vulnerability Status updated