CVE-2021-30748

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 08-09-2021 04:15

Last modified: - 11-02-2022 03:59

Total changes: - 7

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.

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Local

Attack vector

High

Availability

High

Confidentiality

High

Integrity

None

Privileges required

Unchanged

Scope

Required

User interaction

7.8

Base score

1.8

5.9

Exploitability score

Impact score

Verification logic

vendor=apple AND product=ipados AND versionEndExcluding=14.7

vendor=apple AND product=iphone_os AND versionEndExcluding=14.7

vendor=apple AND product=macos AND versionEndExcluding=11.5

vendor=apple AND product=tvos AND versionEndExcluding=14.7

Reference

Keywords

CVE-2021-30748

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-30748

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures