CVE-2021-30937

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 24-08-2021 09:15

Last modified: - 01-04-2022 04:47

Total changes: - 4

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.

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=15.2

vendor=apple AND product=iphone_os AND versionEndExcluding=15.2

vendor=apple AND product=mac_os_x AND versionEndIncluding=10.15.7 AND versionStartIncluding=10.15

vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=security_update_2020

vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=security_update_2020-001

vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=security_update_2020-005

vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=security_update_2020-007

vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=security_update_2021-001

vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=security_update_2021-002

vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=security_update_2021-003

vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=security_update_2021-006

vendor=apple AND product=mac_os_x AND version=10.15.7 AND update=security_update_2021-007

vendor=apple AND product=macos AND versionStartIncluding=11.0 AND versionEndExcluding=11.6.2

vendor=apple AND product=macos AND versionStartIncluding=12.0 AND versionEndExcluding=12.1

vendor=apple AND product=tvos AND versionEndExcluding=15.2

vendor=apple AND product=watchos AND versionEndExcluding=8.3

Reference

Keywords

CVE-2021-30937

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-30937

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures