What’s Vulnerable › Vulnerabilities

CVE-2017-2493

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-04-03 · updated 2026-06-17
• Weakness: CWE-200

Description

An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. iCloud before 6.2 on Windows is affected. tvOS before 10.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted elements on a web site.

Affected products

• Apple iCloud for Windows: before 6.2 — fixed in 6.2
• Apple Iphone Os: before 10.3 — fixed in 10.3
• Apple Safari: before 10.1 — fixed in 10.1
• Apple tvOS: before 10.2 — fixed in 10.2

How to fix

Upgrade to a fixed version: Apple iCloud for Windows 6.2; Apple Iphone Os 10.3; Apple Safari 10.1; Apple tvOS 10.2. Check the vendor advisory for mitigations.

References

• https://support.apple.com/HT207600
• https://support.apple.com/HT207601
• https://support.apple.com/HT207607
• https://support.apple.com/HT207617
• https://support.apple.com/HT207600
• https://support.apple.com/HT207601
• https://support.apple.com/HT207607
• https://support.apple.com/HT207617

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