Attacker Value
Unknown
1
CVE-2021-43893
1
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
Add References:
CVE-2021-43893
(Last updated December 28, 2023) ▾
MITRE ATT&CK
Log in to add MITRE ATT&CK tag
Add MITRE ATT&CK tactics and techniques that apply to this CVE.
MITRE ATT&CK
Select the MITRE ATT&CK Tactics that apply to this CVE
Collection
Select any Techniques used:
Command and Control
Select any Techniques used:
Credential Access
Select any Techniques used:
Defense Evasion
Select any Techniques used:
Discovery
Select any Techniques used:
Execution
Select any Techniques used:
Exfiltration
Select any Techniques used:
Impact
Select any Techniques used:
Initial Access
Select any Techniques used:
Lateral Movement
Select any Techniques used:
Persistence
Select any Techniques used:
Privilege Escalation
Select any Techniques used:
Topic Tags
Select the tags that apply to this CVE (Assessment added tags are disabled and cannot be removed)
What makes this of high-value to an attacker?
What makes this of low-value to an attacker?
Description
Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability
Add Assessment
No one has assessed this topic. Be the first to add your voice to the community.
CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
7.5 High
Impact Score:
5.9
Exploitability Score:
1.6
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Windows 10 Version 1809 10.0.17763.2366
Windows Server 2019 10.0.17763.2366
Windows Server 2019 (Server Core installation) 10.0.17763.2366
Windows 10 Version 1909 10.0.18363.1977
Windows 10 Version 21H1 10.0.19043.1415
Windows Server 2022 10.0.20348.405
Windows 10 Version 2004 10.0.19041.1415
Windows Server version 2004 10.0.19041.1415
Windows 10 Version 20H2 10.0.19042.1415
Windows Server version 20H2 10.0.19042.1415
Windows 11 version 21H2 10.0.22000.376
Windows 10 Version 21H2 10.0.19044.1415
Windows 10 Version 1507 10.0.10240.19145
Windows 10 Version 1607 10.0.14393.4825
Windows Server 2016 10.0.14393.4825
Windows Server 2016 (Server Core installation) 10.0.14393.4825
Windows 7 6.1.7601.25796
Windows 7 Service Pack 1 6.1.7601.25796
Windows 8.1 6.3.9600.20207
Windows Server 2008 Service Pack 2 6.0.6003.21309
Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.21309
Windows Server 2008 Service Pack 2 6.0.6003.21309
Windows Server 2008 R2 Service Pack 1 6.1.7601.25796
Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.25796
Windows Server 2012 6.2.9200.23545
Windows Server 2012 (Server Core installation) 6.2.9200.23545
Windows Server 2012 R2 6.3.9600.20207
Windows Server 2012 R2 (Server Core installation) 6.3.9600.20207
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- microsoft
Products
- windows 10 -,
- windows 10 1607,
- windows 10 1809,
- windows 10 1909,
- windows 10 2004,
- windows 10 20h2,
- windows 10 21h1,
- windows 10 21h2,
- windows 11 -,
- windows 7 -,
- windows 8.1 -,
- windows rt 8.1 -,
- windows server 2008 r2,
- windows server 2012 -,
- windows server 2012 r2,
- windows server 2016 -,
- windows server 2016 2004,
- windows server 2019 -,
- windows server 2022,
- windows server 20h2
References
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
