What’s Vulnerable › Vulnerabilities

CVE-2020-9993

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-08 · updated 2026-06-17
• Weakness: CWE-1021

Description

The issue was addressed with improved UI handling. This issue is fixed in watchOS 7.0, Safari 14.0, iOS 14.0 and iPadOS 14.0. Visiting a malicious website may lead to address bar spoofing.

Affected products

• Apple iPadOS: before 14.0 — fixed in 14.0
• Apple Iphone Os: before 14.0 — fixed in 14.0
• Apple Safari: 14.0
• Apple watchOS: before 7.0 — fixed in 7.0

How to fix

Upgrade to a fixed version: Apple iPadOS 14.0; Apple Iphone Os 14.0; Apple watchOS 7.0. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT211844
• https://support.apple.com/en-us/HT211845
• https://support.apple.com/en-us/HT211850
• https://support.apple.com/en-us/HT211844
• https://support.apple.com/en-us/HT211845
• https://support.apple.com/en-us/HT211850

Get alerted when CVE-2020-9993 or the next vulnerability affects your stack