PT-2021-6354 · Microsoft · Windows Encrypting File System+1

Asuka · Published 2021-12-14 · Updated 2022-07-12 · CVE-2021-43217

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Windows Encrypting File System (EFS) (affected versions not specified)

Description The issue is related to incorrect code generation management in the Windows Encrypting File System (EFS), allowing remote attackers to execute arbitrary code and affect the system. This can be exploited by a remote attacker to execute arbitrary code.

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

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2022-01373

CVE-2021-43217

Affected Products

Windows

Windows Encrypting File System

References · 9

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43217 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43217 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/673069 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43217 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-01373 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-43217 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-43217 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43217 · Security Note
• https://t.me/cvenotify/24779 · Telegram Post