Vulnerability Details : CVE-2020-9859
A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, watchOS 6.2.6. An application may be able to execute arbitrary code with kernel privileges.
Vulnerability category: Execute code
CVE-2020-9859
is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Apple Multiple Products Code Execution Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Apple iOS, iPadOS, macOS, watchOS, and tvOS contain an unspecified vulnerability that may allow an application to execute code with kernel privileges.
Added on
2021-11-03
Action due date
2022-05-03
Exploit prediction scoring system (EPSS) score for CVE-2020-9859
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 29 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-9859
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
nvd@nist.gov |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
nvd@nist.gov |
CWE ids for CVE-2020-9859
-
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-9859
-
https://support.apple.com/HT211214
About the security content of iOS 13.5.1 and iPadOS 13.5.1 - Apple SupportVendor Advisory
Products affected by CVE-2020-9859
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*