PT-2021-3011 · Microsoft · Windows Projected File System Fs Filter Driver+1

Hui Lu + 2 · Published 2021-05-11 · Updated 2023-08-02 · CVE-2021-31191

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 is related to a buffer overflow in memory, which can allow an attacker to gain unauthorized access to protected information. This can potentially lead to the disclosure of sensitive information and affect the system.

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

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2021-02613

CVE-2021-31191

Affected Products

Windows

Windows Projected File System Fs Filter Driver

References · 8

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31191 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-31191 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-31191 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31191 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-31191 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31191 · Security Note
• https://bdu.fstec.ru/vul/2021-02613 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021051126 · Note