CVE-2021-30748

CVSS V2 High 9.3 CVSS V3 High 7.8
Description
A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. An application may be able to execute arbitrary code with kernel privileges.
Overview
  • CVE ID
  • CVE-2021-30748
  • Assigner
  • product-security@apple.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-08T14:15:09
  • Last Modified Date
  • 2022-02-11T14:59:00
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 14.7
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 1 OR 14.7
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 11.5
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* 1 OR 14.7
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/HT212602 Vendor Advisory
https://support.apple.com/en-us/HT212601 Vendor Advisory
https://support.apple.com/kb/HT212604 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-30748
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30748
History
Created Old Value New Value Data Type Notes
2022-05-10 06:32:58 Added to TrackCVE
2022-12-05 09:53:17 2021-09-08T14:15Z 2021-09-08T14:15:09 CVE Published Date updated
2022-12-05 09:53:17 2022-02-11T14:59:00 CVE Modified Date updated
2022-12-05 09:53:17 Analyzed Vulnerability Status updated