CVE-2021-43566 - CVE House
Back to Database
Status published Low CVE-2021-43566

All versions of Samba prior to 4.13.16 are vulnerable to...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-43566

Credits & Attribution

No credits recorded in the NVD database.

References

More from samba

View All →
CVE-2022-29869
cifs-utils through 6.14, with verbose logging, can cause an information...
Medium 5.3
CVE-2022-29154
An issue was discovered in rsync before 3.2.5 that allows...
High 7.4
CVE-2022-27239
In cifs-utils through 6.14, a stack-based buffer overflow when parsing...
High 7.8
CVE-2020-14342
It was found that cifs-utils' mount.cifs was invoking a shell...
Medium 4.4
CVE-2019-3824
A flaw was found in the way an LDAP search...
Medium 6.5

Affected Vendor

Affected Software

samba
Vulnerable Versions:
0

Timeline

Official Publish: January 11th, 2022
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.