CVE-2020-9945

low-risk

Published 2020-12-08

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.

Do I need to act?

0.34% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.3/10 Medium

NETWORK / LOW complexity

Affected Products (2)

Safari

Mac Os X

Affected Vendors

Apple

References (6)

Mailing List http://seclists.org/fulldisclosure/2020/Dec/32

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

Release Notes https://support.apple.com/en-us/HT211934

Mailing List http://seclists.org/fulldisclosure/2020/Dec/32

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

Release Notes https://support.apple.com/en-us/HT211934

/ 100

low-risk

Severity 18/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 7/34 · Low