CVE-2020-3836 json
An access issue was addressed with improved memory management.
published 2020-02-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25101
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 25%
- public exploits
- 0
- none known
Summary
An access issue was addressed with improved memory management. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. A malicious application may be able to determine kernel memory layout.
Patch / fix
- Apple iOS iOS 13.3.1 and iPadOS 13.3.1
- Apple macOS macOS Catalina 10.15.3
- Apple tvOS tvOS 13.3.1
- Apple watchOS watchOS 6.1.2
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 25% 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:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Apple iOS
- Apple macOS
- Apple tvOS
- Apple watchOS
References
-
support.apple.com
/HT210919
release-notes, vendor-advisory
-
support.apple.com
/HT210918
release-notes, vendor-advisory
-
support.apple.com
/HT210921
release-notes, vendor-advisory
-
support.apple.com
/HT210920
release-notes, vendor-advisory
Sources
- CVE List CVE-2020-3836
- NVD CVE-2020-3836
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.