CVE-2021-43240

4 documents4 sources
Severity
7.8HIGH
EPSS
0.5%
top 33.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
Microsoft Windows 10 Version 1909Microsoft Windows 10 Version 2004Microsoft Windows 10 Version 20h2+9 more
Timeline
PublishedDec 15
Latest updateDec 16

Description

NTFS Set Short Name Elevation of Privilege Vulnerability

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages12 packages

▶CVEListV5microsoft/windows_server_202210.0.0 — 10.0.20348.405
▶CVEListV5microsoft/windows_10_version_190910.0.0 — 10.0.18363.1977
▶CVEListV5microsoft/windows_10_version_200410.0.0 — 10.0.19041.1415
▶CVEListV5microsoft/windows_10_version_20h210.0.0 — 10.0.19042.1415
▶CVEListV5microsoft/windows_10_version_21h110.0.0 — 10.0.19043.1415

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-gqqh-5jqj-j85x: NTFS Set Short Name Elevation of Privilege Vulnerability↗2021-12-16
▶
CVEList
NTFS Set Short Name Elevation of Privilege Vulnerability↗2021-12-15
▶

📋Vendor Advisories

1
Microsoft
NTFS Set Short Name Elevation of Privilege Vulnerability↗2021-12-14
▶
CVE-2021-43240 (HIGH CVSS 7.8) | NTFS Set Short Name Elevation of Pr | cvebase.io