PT-2021-1602 · Microsoft · Windows Projected File System Fs Filter Driver+1

K0Shl · Published 2021-01-12 · Updated 2024-10-08 · CVE-2021-1663

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Windows Projected File System FS Filter Driver (affected versions not specified)

Description The issue exists due to insufficient input validation in the Windows operating system. It allows attackers to obtain sensitive information and potentially affect the system. There is no information provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2021-00247

CVE-2021-1663

Affected Products

Windows

Windows Projected File System Fs Filter Driver

References · 8

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1663 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1663 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1663 · Security Note
• https://bdu.fstec.ru/vul/2021-00247 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021011268 · Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1663 · Note
• https://t.me/cibsecurity/22006 · Telegram Post
• https://t.me/cvenotify/8749 · Telegram Post