Vulnerability Details : CVE-2021-43240
NTFS Set Short Name Elevation of Privilege Vulnerability
Vulnerability category: Gain privilege
Exploit prediction scoring system (EPSS) score for CVE-2021-43240
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 7 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-43240
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST |
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
|
NIST |
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
|
Microsoft Corporation |
References for CVE-2021-43240
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43240
CVE-2021-43240 - Security Update Guide - Microsoft - NTFS Set Short Name Elevation of Privilege VulnerabilityPatch;Vendor Advisory
Products affected by CVE-2021-43240
- cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*