Vulnerability Report

CVE-2021-43566

Title: Samba Path Traversal / LFI

Path Traversal / LFI

Proof Of Concept

No public PoC currently indexed for CVE-2021-43566.

CWE Category CWE-362
Published Date Jan 11, 2022
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 2.5 CVSS v3.1
Exploit Probability (EPSS)
0.38%

Vulnerability Summary

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.

Impacted Vendors

S
samba 1
S
sgi 1

Reference Links

https://bugzilla.samba.org/show_bug.cgi?id=13979 https://security.netapp.com/advisory/ntap-20220110-0001/ https://www.samba.org/samba/security/CVE-2021-43566.html https://bugzilla.samba.org/show_bug.cgi?id=13979 https://security.netapp.com/advisory/ntap-20220110-0001/ https://www.samba.org/samba/security/CVE-2021-43566.html
CVSS v3.1
Source Entity [email protected]
Severity LOW
2.5
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v2.0
Source Entity [email protected]
Severity LOW
1.2
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:H/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-43566 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected Stack

No specific products linked.