CVE-2021-1670
Windows Projected File System FS Filter Driver Information Disclosure Vulnerability
Windows Projected File System FS Filter Driver Information Disclosure Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Windows Projected File System FS Filter Driver Information Disclosure Vulnerability
Windows Projected File System FS Filter Driver Information Disclosure Vulnerability
- Record
CVE-2021-1670- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-7137
Windows Projected File System FS Filter Driver Information Disclosure Vulnerability
- Record
EUVD-2021-7137- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vwqx-6jjv-7xr6
Windows Projected File System FS Filter Driver Information Disclosure Vulnerability This CVE ID...
Windows Projected File System FS Filter Driver Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-1663, CVE-2021-1672.
- Record
GHSA-vwqx-6jjv-7xr6- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
NVD
Windows Projected File System FS Filter Driver Information Disclosure Vulnerability
- Record
CVE-2021-1670- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-1670 is a medium vulnerability (CVSS 5.5) in Microsoft Windows 10 Version 2004, published January 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.22%, the 68th percentile. No source names a fixed version.