CVE-2020-9902 json
An out-of-bounds read was addressed with improved bounds checking.
published 2020-10-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30681
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
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.
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
0.97% chance of exploitation in the next 30 days, higher than 61% 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:H/I:N/A:N |
| NVD | 2.0 | 7.1 | AV:N/AC:M/Au:N/C:C/I:N/A:N |
Affected products
- Apple iOS
- Apple macOS
- Apple tvOS
- Apple watchOS
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
support.apple.com
/kb/HT211289
vendor-advisory
-
support.apple.com
/kb/HT211288
vendor-advisory
-
support.apple.com
/kb/HT211290
vendor-advisory
-
support.apple.com
/kb/HT211291
vendor-advisory
Sources
- CVE List CVE-2020-9902
- NVD CVE-2020-9902
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.