CVE Vulnerability

CVE-2021-43566

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.

1.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 1.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

2.5 /10

CVSS v3.0 : LOW

V3 Legend

Vector :

Exploitability : 1 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugzilla.samba.org/show_bug.cgi?id=13979 Exploit Issue Tracking
https://www.samba.org/samba/security/CVE-2021-43566.html Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20220110-0001/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
Information

Published : 2022-01-11 04:15

Updated : 2022-10-14 11:42

NVD link : CVE-2021-43566

Mitre link : CVE-2021-43566

Products Affected
No products.
CWE
CWE-362