CVE-2021-43566
LOW
2.5
CVSS Score
Published: January 11, 2022 at 03:15 PM UTC
Updated: June 17, 2026 at 04:11 AM UTC
1 product affected across 1 vendorSAMBA
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Severity
LOW2.5
Exploit prediction
EPSS 0.4%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCExploitIssue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.samba.org/show_bug.cgi?id=13979x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20220110-0001/x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://www.samba.org/samba/security/CVE-2021-43566.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-362
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