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CVE-2021-43566

Common vulnerabilities & exposures (CVE)

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Published at: - 11-01-2022 05:15
Last modified: - 14-10-2022 01:42
Total changes: - 4

Description

All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
High
Attack complexity
Local
Attack vector
None
Availability
None
Confidentiality
Low
Integrity
Low
Privileges required
Unchanged
Scope
None
User interaction
2.5
Base score
1.0
1.4
Exploitability score
Impact score
 

Verification logic

 

Reference

 


Keywords

NVD

 

CVE-2021-43566

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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