CVE-2020-9885 json
An issue existed in the handling of iMessage tapbacks.
published 2020-10-16 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30664
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Apple iOS iOS 13.6 and iPadOS 13.6
- Apple macOS macOS Catalina 10.15.6
- Apple tvOS tvOS 13.4.8
- Apple watchOS watchOS 6.2.8
Exploit prediction
0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Apple iOS
- Apple macOS
- Apple tvOS
- Apple watchOS
Classification
- Weakness
-
- CWE-345 Insufficient Verification of Data Authenticity
References
-
support.apple.com
/HT211289
vendor-advisory
-
support.apple.com
/HT211288
vendor-advisory
-
support.apple.com
/HT211290
vendor-advisory
-
support.apple.com
/HT211291
vendor-advisory
Sources
- CVE List CVE-2020-9885
- NVD CVE-2020-9885
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.