Vulnerability Details : CVE-2023-21820
Windows Distributed File System (DFS) Remote Code Execution Vulnerability
Vulnerability category: Execute code
Products affected by CVE-2023-21820
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-21820
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 49 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-21820
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.4
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
1.5
|
5.9
|
Microsoft Corporation |
CWE ids for CVE-2023-21820
-
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.Assigned by: secure@microsoft.com (Secondary)
References for CVE-2023-21820
-
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21820
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