CVE-2020-9945

MEDIUM

macOS Big Sur <11.0.1 and Safari <14.0.1 - Address Bar Spoofing

Title source: manual
STIX 2.1

Description

A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, Safari 14.0.1. Visiting a malicious website may lead to address bar spoofing.

References (3)

Core 3
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211931
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211934
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Dec/32

Scores

CVSS v3 4.3
EPSS 0.0116
EPSS Percentile 63.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Details

CWE
CWE-1021
Status published
Products (2)
apple/mac_os_x < 11.0.1
apple/safari < 14.0.1
Published Dec 08, 2020
Tracked Since Feb 18, 2026