CVE-2021-30719

high

Description

A local user may be able to cause unexpected system termination or read kernel memory. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. An out-of-bounds read issue was addressed by removing the vulnerable code.

References

https://support.apple.com/en-us/HT212530

https://support.apple.com/en-us/HT212529

Details

Source: MITRE

Published: 2021-09-08

Updated: 2021-09-16

Type: CWE-125

Risk Information

CVSS v2

Base Score: 6.6

Vector: AV:L/AC:L/Au:N/C:C/I:N/A:C

Impact Score: 9.2

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Impact Score: 5.2

Exploitability Score: 1.8

Severity: HIGH