CVE-2021-1879

medium
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

This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..

References

https://support.apple.com/en-us/HT212256

https://support.apple.com/en-us/HT212257

https://support.apple.com/en-us/HT212258

Details

Source: MITRE

Published: 2021-04-02

Updated: 2021-04-09

Type: CWE-79

Risk Information

CVSS v2

Base Score: 4.3

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

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.1

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

Impact Score: 2.7

Exploitability Score: 2.8

Severity: MEDIUM

Tenable Plugins

View all (2 total)

IDNameProductFamilySeverity
148263Apple iOS < 14.4.2 XSS (HT212256)NessusMobile Devices
medium
148262Apple iOS < 12.5.2 XSS (HT212257)NessusMobile Devices
medium