Vulnerability Details : CVE-2020-3894
A race condition was addressed with additional validation. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. An application may be able to read restricted memory.
Exploit prediction scoring system (EPSS) score for CVE-2020-3894
Probability of exploitation activity in the next 30 days: 1.78%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 88 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-3894
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
2.6
|
LOW | AV:N/AC:H/Au:N/C:P/I:N/A:N |
4.9
|
2.9
|
NIST |
|
3.1
|
LOW | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N |
1.6
|
1.4
|
NIST |
CWE ids for CVE-2020-3894
-
The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-3894
-
https://support.apple.com/HT211105
About the security content of iTunes 12.10.5 for Windows - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/HT211107
About the security content of iCloud for Windows 7.18 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/HT211102
About the security content of iOS 13.4 and iPadOS 13.4 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/HT211104
About the security content of Safari 13.1 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/HT211101
About the security content of tvOS 13.4 - Apple SupportRelease Notes;Vendor Advisory
-
https://support.apple.com/HT211106
About the security content of iCloud for Windows 10.9.3 - Apple SupportRelease Notes;Vendor Advisory
Products affected by CVE-2020-3894
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
- cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*