CVE-2021-30845

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6. A local user may be able to read kernel memory.
Overview
  • CVE ID
  • CVE-2021-30845
  • Assigner
  • product-security@apple.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-10-19T14:15:09
  • Last Modified Date
  • 2021-10-22T18:17:50
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 11.0 11.6
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://support.apple.com/en-us/HT212804 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-30845
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30845
History
Created Old Value New Value Data Type Notes
2022-05-10 06:50:06 Added to TrackCVE
2022-12-05 12:38:48 2021-10-19T14:15Z 2021-10-19T14:15:09 CVE Published Date updated
2022-12-05 12:38:48 2021-10-22T18:17:50 CVE Modified Date updated
2022-12-05 12:38:48 Analyzed Vulnerability Status updated