What’s Vulnerable › Vulnerabilities

CVE-2020-9885

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-16 · updated 2026-06-17
• Weakness: CWE-345

Description

An issue existed in the handling of iMessage tapbacks. The issue was resolved with additional verification. 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 user that is removed from an iMessage group could rejoin the group.

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

Get alerted when CVE-2020-9885 or the next vulnerability affects your stack