CVE-2020-9818

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

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.

References

https://support.apple.com/HT211168

https://support.apple.com/HT211169

https://support.apple.com/HT211175

Details

Source: MITRE

Published: 2020-06-09

Updated: 2020-06-12

Type: CWE-787

Risk Information

CVSS v2

Base Score: 6.8

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

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH

Tenable Plugins

View all (2 total)

IDNameProductFamilySeverity
136920Apple iOS < 13.5 Multiple VulnerabilitiesNessusMobile Devices
high
136919Apple iOS < 12.4.7 Multiple VulnerabilitiesNessusMobile Devices
high