Vulnerability Details : CVE-2020-9921
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.6. A malicious application may be able to execute arbitrary code with system privileges.
Vulnerability category: Memory CorruptionExecute code
Products affected by CVE-2020-9921
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-9921
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-9921
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
|
7.0
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
NIST |
CWE ids for CVE-2020-9921
-
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.Assigned by: nvd@nist.gov (Primary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-9921
-
https://support.apple.com/kb/HT211289
About the security content of macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra - Apple SupportVendor Advisory
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