What’s Vulnerable › Vulnerabilities

CVE-2020-9902

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-22 · updated 2026-06-17
• Weakness: CWE-125

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. A malicious application may be able to determine kernel memory layout.

Affected products

• Apple iPadOS: before 13.6 — fixed in 13.6
• Apple Iphone Os: before 13.6 — fixed in 13.6
• macOS: before 10.15.6 — fixed in 10.15.6
• Apple tvOS: before 13.4.8 — fixed in 13.4.8
• Apple watchOS: before 6.2.8 — fixed in 6.2.8

How to fix

Upgrade to a fixed version: Apple iPadOS 13.6; Apple Iphone Os 13.6; macOS 10.15.6; Apple tvOS 13.4.8; Apple watchOS 6.2.8. Check the vendor advisory for mitigations.

References

• https://support.apple.com/kb/HT211288
• https://support.apple.com/kb/HT211289
• https://support.apple.com/kb/HT211290
• https://support.apple.com/kb/HT211291
• https://support.apple.com/kb/HT211288
• https://support.apple.com/kb/HT211289
• https://support.apple.com/kb/HT211290
• https://support.apple.com/kb/HT211291

Get alerted when CVE-2020-9902 or the next vulnerability affects your stack