CVE-2020-9967

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

References

https://support.apple.com/en-us/HT212011

https://support.apple.com/en-us/HT211844

https://support.apple.com/en-us/HT211843

https://support.apple.com/en-us/HT211931

https://support.apple.com/en-us/HT211850

Details

Source: MITRE

Published: 2021-04-02

Updated: 2021-07-14

Type: CWE-119

Risk Information

CVSS v2

Base Score: 9.3

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

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*

cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*

Tenable Plugins

View all (1 total)

IDNameProductFamilySeverity
144453macOS 10.14.x < 10.14.6 Security Update 2020-007 / 10.15.x < 10.15.7 Security Update 2020-001 / macOS 11.x < 11.1 (HT212011)NessusMacOS X Local Security Checks
high