CVEvulnerability
CVE-2021-43566
2.5 LOW
Official page ↗
- Status
- Modified
- Published
- 2022-01-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 2.5 LOW — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
- CVSS 2.0 ([email protected])
- 1.2 LOW — AV:L/AC:H/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-362
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.
Affected configurations
• samba samba (< 4.13.16)
Related
Weakness · CWE (1)
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
References
- https://bugzilla.samba.org/show_bug.cgi?id=13979 Exploit, Issue Tracking, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220110-0001/ Third Party Advisory
- https://www.samba.org/samba/security/CVE-2021-43566.html Patch, Vendor Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=13979 Exploit, Issue Tracking, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20220110-0001/ Third Party Advisory
- https://www.samba.org/samba/security/CVE-2021-43566.html Patch, Vendor Advisory