Vulnerability · Published Oct 16, 2020 · Assigned by apple

CVE-2020-9885

Medium 5.5

In plain English

A medium-severity security flaw in iOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).

Severity (CVSS NVD)5.5Medium

Exploit odds (30 days)0.4%top 61.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
Apple	iOS	unspecified – before iOS 13.6 and iPadOS 13.6
Apple	macOS	unspecified – before macOS Catalina 10.15.6
Apple	tvOS	unspecified – before tvOS 13.4.8
Apple	watchOS	unspecified – before watchOS 6.2.8

References

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